<?xml version="1.0" encoding="UTF-8"?><?xml-stylesheet type="text/xsl" href="//naturalgemsbelgium.com/video-sitemap.xsl"?>
<urlset xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.sitemaps.org/schemas/sitemap/0.9 http://www.sitemaps.org/schemas/sitemap/0.9/sitemap.xsd http://www.google.com/schemas/sitemap-video/1.1 http://www.google.com/schemas/sitemap-video/1.1/sitemap-video.xsd" xmlns="http://www.sitemaps.org/schemas/sitemap/0.9" xmlns:video="http://www.google.com/schemas/sitemap-video/1.1" xmlns:xhtml="http://www.w3.org/1999/xhtml">
	<url>
		<loc>https://naturalgemsbelgium.com/opal-buying-guide/</loc>
		<xhtml:link rel="alternate" hreflang="en" href="https://naturalgemsbelgium.com/opal-buying-guide/" />
		<xhtml:link rel="alternate" hreflang="x-default" href="https://naturalgemsbelgium.com/opal-buying-guide/" />
		<video:video>
			<video:title><![CDATA[NGB Buying Guide - Opal Buying Guide - Natural Gems Belgium]]></video:title>
			<video:publication_date>2026-11-08T01:46:48-08:00</video:publication_date>
			<video:description><![CDATA[In this NGB Buying Guide, Lena Hoffmann explains the practical questions worth asking before purchasing an opal.]]></video:description>
			<video:player_loc>https://www.youtube.com/embed/dW4h-7XcNWU</video:player_loc>
			<video:thumbnail_loc>https://naturalgemsbelgium.com/wp-content/uploads/2026/11/Opal-Buying-Guide-What-to-Check-Before-You-Buy.png</video:thumbnail_loc>
			<video:duration>171</video:duration>
			<video:family_friendly>yes</video:family_friendly>
			<video:uploader info="https://naturalgemsbelgium.com/author/ngb-editorial/">Natural Gems Belgium Editorial Team</video:uploader>
		</video:video>
	</url>
	<url>
		<loc>https://naturalgemsbelgium.com/peridot-formation-properties-identification/</loc>
		<xhtml:link rel="alternate" hreflang="en" href="https://naturalgemsbelgium.com/peridot-formation-properties-identification/" />
		<xhtml:link rel="alternate" hreflang="x-default" href="https://naturalgemsbelgium.com/peridot-formation-properties-identification/" />
		<video:video>
			<video:title><![CDATA[Nadia Gemstone Academy - episode 9 - Peridot - Natural Gems Belgium]]></video:title>
			<video:publication_date>2026-11-08T00:45:38-08:00</video:publication_date>
			<video:description><![CDATA[Peridot: Mantle Formation, Gemmological Properties &amp; IdentificationIn this Nadia Gemstone Academy guide, we examine peridot from mantle mineralogy and geolog...]]></video:description>
			<video:player_loc>https://www.youtube.com/embed/0EUOpVUUSMM</video:player_loc>
			<video:thumbnail_loc>https://naturalgemsbelgium.com/wp-content/uploads/2026/11/PERIDOT-MANTLE-FORMATION.png</video:thumbnail_loc>
			<video:duration>194</video:duration>
			<video:family_friendly>yes</video:family_friendly>
			<video:uploader info="https://naturalgemsbelgium.com/author/ngb-editorial/">Natural Gems Belgium Editorial Team</video:uploader>
		</video:video>
	</url>
	<url>
		<loc>https://naturalgemsbelgium.com/</loc>
		<xhtml:link rel="alternate" hreflang="en" href="https://naturalgemsbelgium.com/" />
		<xhtml:link rel="alternate" hreflang="x-default" href="https://naturalgemsbelgium.com/" />
		<video:video>
			<video:title><![CDATA[Natural Gemstones, Crystals &amp; Jewellery - Natural Gems Belgium]]></video:title>
			<video:description><![CDATA[Shop natural Gemstones, crystals and jewellery selected for authenticity, quality and character. Discover the curated collections of Natural Gems Belgium]]></video:description>
			<video:content_loc>https://naturalgemsbelgium.com/wp-content/uploads/2026/11/NGB-2.0-Welcome-Subtitled.mp4</video:content_loc>
			<video:family_friendly>yes</video:family_friendly>
			<video:uploader info="https://naturalgemsbelgium.com/author/magana/">Natural Gems Belgium</video:uploader>
		</video:video>
	</url>
	<url>
		<loc>https://naturalgemsbelgium.com/tanzanite-buying-guide/</loc>
		<xhtml:link rel="alternate" hreflang="en" href="https://naturalgemsbelgium.com/tanzanite-buying-guide/" />
		<xhtml:link rel="alternate" hreflang="x-default" href="https://naturalgemsbelgium.com/tanzanite-buying-guide/" />
		<video:video>
			<video:title><![CDATA[Tanzanite Buying Guide - Natural Gems Belgium]]></video:title>
			<video:publication_date>2026-11-06T07:10:58-08:00</video:publication_date>
			<video:description><![CDATA[In this NGB Buying Guide, Lena Hoffmann explains the practical questions worth asking before purchasing tanzanite.]]></video:description>
			<video:player_loc>https://www.youtube.com/embed/jNxoB_c4KCI</video:player_loc>
			<video:thumbnail_loc>https://naturalgemsbelgium.com/wp-content/uploads/2026/11/Tanzanite-Buying-Guide.png</video:thumbnail_loc>
			<video:duration>188</video:duration>
			<video:family_friendly>yes</video:family_friendly>
			<video:uploader info="https://naturalgemsbelgium.com/author/ngb-editorial/">Natural Gems Belgium Editorial Team</video:uploader>
		</video:video>
	</url>
	<url>
		<loc>https://naturalgemsbelgium.com/elbaite-tourmaline-properties-identification/</loc>
		<xhtml:link rel="alternate" hreflang="en" href="https://naturalgemsbelgium.com/elbaite-tourmaline-properties-identification/" />
		<xhtml:link rel="alternate" hreflang="x-default" href="https://naturalgemsbelgium.com/elbaite-tourmaline-properties-identification/" />
		<video:video>
			<video:title><![CDATA[Nadia Gemstone Academy episode 8 - Elbaite Tourmaline - Natural Gems Belgium]]></video:title>
			<video:publication_date>2026-11-06T03:03:15-08:00</video:publication_date>
			<video:description><![CDATA[In this episode of the Nadia Gemstone Academy, we examine elbaite from its geological formation and crystal chemistry to its optical properties, microscopic ...]]></video:description>
			<video:player_loc>https://www.youtube.com/embed/GGTaW7ipegw</video:player_loc>
			<video:thumbnail_loc>https://naturalgemsbelgium.com/wp-content/uploads/2026/11/elbaite-tourmaline-nadia-gemstone-academy.png</video:thumbnail_loc>
			<video:duration>189</video:duration>
			<video:family_friendly>yes</video:family_friendly>
			<video:uploader info="https://naturalgemsbelgium.com/author/ngb-editorial/">Natural Gems Belgium Editorial Team</video:uploader>
		</video:video>
	</url>
	<url>
		<loc>https://naturalgemsbelgium.com/gemstone-dispersion-and-fire/</loc>
		<xhtml:link rel="alternate" hreflang="en" href="https://naturalgemsbelgium.com/gemstone-dispersion-and-fire/" />
		<xhtml:link rel="alternate" hreflang="x-default" href="https://naturalgemsbelgium.com/gemstone-dispersion-and-fire/" />
		<video:video>
			<video:title><![CDATA[Dispersion &amp; Fire: Why Gemstones Flash Rainbow Colours - Natural Gems Belgium]]></video:title>
			<video:publication_date>2026-11-05T03:27:47-08:00</video:publication_date>
			<video:description><![CDATA[This educational episode explores the physics of dispersion, the optical performance of faceted gemstones and the influence of cutting proportions and illumi...]]></video:description>
			<video:player_loc>https://www.youtube.com/embed/aFZb8BnMSps</video:player_loc>
			<video:thumbnail_loc>https://naturalgemsbelgium.com/wp-content/uploads/2026/11/Gemstone-Dispersion-and-Fire.png</video:thumbnail_loc>
			<video:duration>625</video:duration>
			<video:family_friendly>yes</video:family_friendly>
			<video:uploader info="https://naturalgemsbelgium.com/author/ngb-editorial/">Natural Gems Belgium Editorial Team</video:uploader>
		</video:video>
	</url>
	<url>
		<loc>https://naturalgemsbelgium.com/how-gemstone-refractive-index-is-measured/</loc>
		<xhtml:link rel="alternate" hreflang="en" href="https://naturalgemsbelgium.com/how-gemstone-refractive-index-is-measured/" />
		<xhtml:link rel="alternate" hreflang="x-default" href="https://naturalgemsbelgium.com/how-gemstone-refractive-index-is-measured/" />
		<video:video>
			<video:title><![CDATA[Gemmology Series - Episode 9 - Natural Gems Belgium]]></video:title>
			<video:publication_date>2026-11-04T04:00:06-08:00</video:publication_date>
			<video:description><![CDATA[Refractive Index: How Gemmologists Measure the Bending of LightThis episode explains how light interacts with gemstones and how refractive-index measurements...]]></video:description>
			<video:player_loc>https://www.youtube.com/embed/sa6zsrxknBk</video:player_loc>
			<video:thumbnail_loc>https://naturalgemsbelgium.com/wp-content/uploads/2026/11/Gemstone-Refractive-Index.png</video:thumbnail_loc>
			<video:duration>276</video:duration>
			<video:family_friendly>yes</video:family_friendly>
			<video:uploader info="https://naturalgemsbelgium.com/author/ngb-editorial/">Natural Gems Belgium Editorial Team</video:uploader>
		</video:video>
	</url>
	<url>
		<loc>https://naturalgemsbelgium.com/peridot-august-birthstone-spiritual-meaning-science/</loc>
		<xhtml:link rel="alternate" hreflang="en" href="https://naturalgemsbelgium.com/peridot-august-birthstone-spiritual-meaning-science/" />
		<xhtml:link rel="alternate" hreflang="x-default" href="https://naturalgemsbelgium.com/peridot-august-birthstone-spiritual-meaning-science/" />
		<video:video>
			<video:title><![CDATA[Peridot: The August Birthstone - Natural Gems Belgium]]></video:title>
			<video:publication_date>2026-11-03T04:39:48-08:00</video:publication_date>
			<video:description><![CDATA[From the depths of Earth's mantle to ancient protective talismans, discover the remarkable gemstone associated with sunlight, compassion, renewal and spiritu...]]></video:description>
			<video:player_loc>https://www.youtube.com/embed/-NTAE1jASg4</video:player_loc>
			<video:thumbnail_loc>https://naturalgemsbelgium.com/wp-content/uploads/2026/11/Peridot-The-August-Birthstone-Spiritual-Energy-Ancient-Traditions-and-the-Science-Behind-Its-Green-Glow.png</video:thumbnail_loc>
			<video:duration>63</video:duration>
			<video:family_friendly>yes</video:family_friendly>
			<video:uploader info="https://naturalgemsbelgium.com/author/ngb-editorial/">Natural Gems Belgium Editorial Team</video:uploader>
		</video:video>
	</url>
	<url>
		<loc>https://naturalgemsbelgium.com/emerald-buying-guide/</loc>
		<xhtml:link rel="alternate" hreflang="en" href="https://naturalgemsbelgium.com/emerald-buying-guide/" />
		<xhtml:link rel="alternate" hreflang="x-default" href="https://naturalgemsbelgium.com/emerald-buying-guide/" />
		<video:video>
			<video:title><![CDATA[NGB Buying Guide - Emerald Buying guide - Natural Gems Belgium]]></video:title>
			<video:publication_date>2026-11-03T03:54:55-08:00</video:publication_date>
			<video:description><![CDATA[In this NGB Buying Guide, Lena Hoffmann explains what to look for and what questions to ask before purchasing a natural emerald.]]></video:description>
			<video:player_loc>https://www.youtube.com/embed/lhA8JkqF6YE</video:player_loc>
			<video:thumbnail_loc>https://naturalgemsbelgium.com/wp-content/uploads/2026/11/Emerald-Buying-Guide-What-to-Check-Before-You-Buy.png</video:thumbnail_loc>
			<video:duration>178</video:duration>
			<video:family_friendly>yes</video:family_friendly>
			<video:uploader info="https://naturalgemsbelgium.com/author/ngb-editorial/">Natural Gems Belgium Editorial Team</video:uploader>
		</video:video>
	</url>
	<url>
		<loc>https://naturalgemsbelgium.com/asterism-and-chatoyancy-in-gemstones/</loc>
		<xhtml:link rel="alternate" hreflang="en" href="https://naturalgemsbelgium.com/asterism-and-chatoyancy-in-gemstones/" />
		<xhtml:link rel="alternate" hreflang="x-default" href="https://naturalgemsbelgium.com/asterism-and-chatoyancy-in-gemstones/" />
		<video:video>
			<video:title><![CDATA[Gemmology Series - Episode 8 -Asterism &amp; Chatoyancy]]></video:title>
			<video:publication_date>2026-11-03T02:36:13-08:00</video:publication_date>
			<video:description><![CDATA[This educational episode examines the scientific mechanisms behind moving optical bands and star patterns, with examples from corundum, chrysoberyl and other...]]></video:description>
			<video:player_loc>https://www.youtube.com/embed/4ZPXX-XUYFE</video:player_loc>
			<video:thumbnail_loc>https://naturalgemsbelgium.com/wp-content/uploads/2026/11/Asterism-and-Chatoyancy-in-Gemstones.png</video:thumbnail_loc>
			<video:duration>188</video:duration>
			<video:family_friendly>yes</video:family_friendly>
			<video:uploader info="https://naturalgemsbelgium.com/author/ngb-editorial/">Natural Gems Belgium Editorial Team</video:uploader>
		</video:video>
	</url>
	<url>
		<loc>https://naturalgemsbelgium.com/chrysoberyl-gemstone-formation-properties-identification/</loc>
		<xhtml:link rel="alternate" hreflang="en" href="https://naturalgemsbelgium.com/chrysoberyl-gemstone-formation-properties-identification/" />
		<xhtml:link rel="alternate" hreflang="x-default" href="https://naturalgemsbelgium.com/chrysoberyl-gemstone-formation-properties-identification/" />
		<video:video>
			<video:title><![CDATA[Nadia Gemstone academy - chrysoberyl - Natural Gems Belgium]]></video:title>
			<video:publication_date>2026-10-30T03:48:38-07:00</video:publication_date>
			<video:description><![CDATA[Chrysoberyl is a naturally occurring beryllium aluminium oxide mineral with the chemical formula BeAl₂O₄. Its exceptional hardness, distinctive orthorhombic ...]]></video:description>
			<video:player_loc>https://www.youtube.com/embed/eg5fiih69T8</video:player_loc>
			<video:thumbnail_loc>https://naturalgemsbelgium.com/wp-content/uploads/2026/10/nadia-gemstone-academy-chrysoberyl.png</video:thumbnail_loc>
			<video:duration>176</video:duration>
			<video:family_friendly>yes</video:family_friendly>
			<video:uploader info="https://naturalgemsbelgium.com/author/ngb-editorial/">Natural Gems Belgium Editorial Team</video:uploader>
		</video:video>
	</url>
	<url>
		<loc>https://naturalgemsbelgium.com/topaz-gemstone-formation-properties-identification/</loc>
		<xhtml:link rel="alternate" hreflang="en" href="https://naturalgemsbelgium.com/topaz-gemstone-formation-properties-identification/" />
		<xhtml:link rel="alternate" hreflang="x-default" href="https://naturalgemsbelgium.com/topaz-gemstone-formation-properties-identification/" />
		<video:video>
			<video:title><![CDATA[Nadia Gemstone academy episode 6 : topaz - Natural Gems Belgium]]></video:title>
			<video:publication_date>2026-10-23T06:27:34-07:00</video:publication_date>
			<video:description><![CDATA[Topaz is an aluminium fluorosilicate mineral with the chemical formula Al₂SiO₄(F,OH)₂. Its exceptional transparency, wide colour range, orthorhombic crystal ...]]></video:description>
			<video:player_loc>https://www.youtube.com/embed/nEYHLOSj9Rk</video:player_loc>
			<video:thumbnail_loc>https://naturalgemsbelgium.com/wp-content/uploads/2026/10/topaz-gemstone.png</video:thumbnail_loc>
			<video:duration>184</video:duration>
			<video:family_friendly>yes</video:family_friendly>
			<video:uploader info="https://naturalgemsbelgium.com/author/ngb-editorial/">Natural Gems Belgium Editorial Team</video:uploader>
		</video:video>
	</url>
	<url>
		<loc>https://naturalgemsbelgium.com/march-birthstones-aquamarine-bloodstone/</loc>
		<xhtml:link rel="alternate" hreflang="en" href="https://naturalgemsbelgium.com/march-birthstones-aquamarine-bloodstone/" />
		<xhtml:link rel="alternate" hreflang="x-default" href="https://naturalgemsbelgium.com/march-birthstones-aquamarine-bloodstone/" />
		<video:video>
			<video:title><![CDATA[birthstones of march - Natural Gems Belgium]]></video:title>
			<video:publication_date>2026-10-17T04:29:42-07:00</video:publication_date>
			<video:description><![CDATA[March is associated with two distinctive birthstones: aquamarine, admired for its transparent blue colours reminiscent of the sea, and bloodstone, recognised...]]></video:description>
			<video:player_loc>https://www.youtube.com/embed/LAZFNwl6teU</video:player_loc>
			<video:thumbnail_loc>https://naturalgemsbelgium.com/wp-content/uploads/2026/10/march-birthstones.png</video:thumbnail_loc>
			<video:duration>52</video:duration>
			<video:family_friendly>yes</video:family_friendly>
			<video:uploader info="https://naturalgemsbelgium.com/author/ngb-editorial/">Natural Gems Belgium Editorial Team</video:uploader>
		</video:video>
	</url>
	<url>
		<loc>https://naturalgemsbelgium.com/gemstone-fluorescence-why-some-gemstones-glow-under-ultraviolet-light/</loc>
		<xhtml:link rel="alternate" hreflang="en" href="https://naturalgemsbelgium.com/gemstone-fluorescence-why-some-gemstones-glow-under-ultraviolet-light/" />
		<xhtml:link rel="alternate" hreflang="x-default" href="https://naturalgemsbelgium.com/gemstone-fluorescence-why-some-gemstones-glow-under-ultraviolet-light/" />
		<video:video>
			<video:title><![CDATA[NGB Gemmology series episode 7 : The science behind gemstone Fluorescence]]></video:title>
			<video:publication_date>2026-10-16T05:21:02-07:00</video:publication_date>
			<video:description><![CDATA[The episode explains electronic excitation, ultraviolet illumination, fluorescence activators, quenching, the distinction between fluorescence and phosphores...]]></video:description>
			<video:player_loc>https://www.youtube.com/embed/If0B9e06DfY</video:player_loc>
			<video:thumbnail_loc>https://naturalgemsbelgium.com/wp-content/uploads/2026/10/gemstone-fuorescence.png</video:thumbnail_loc>
			<video:duration>468</video:duration>
			<video:family_friendly>yes</video:family_friendly>
			<video:uploader info="https://naturalgemsbelgium.com/author/ngb-editorial/">Natural Gems Belgium Editorial Team</video:uploader>
		</video:video>
	</url>
	<url>
		<loc>https://naturalgemsbelgium.com/zircon-gemstone-formation-properties-identification/</loc>
		<xhtml:link rel="alternate" hreflang="en" href="https://naturalgemsbelgium.com/zircon-gemstone-formation-properties-identification/" />
		<xhtml:link rel="alternate" hreflang="x-default" href="https://naturalgemsbelgium.com/zircon-gemstone-formation-properties-identification/" />
		<video:video>
			<video:title><![CDATA[Nadia Gemstone Academy episode 5: Zircon -Natural Gems Belgium]]></video:title>
			<video:publication_date>2026-10-16T02:02:12-07:00</video:publication_date>
			<video:description><![CDATA[zircon, not to be confused with cubic zirconium explained.Zircon is a naturally occurring zirconium silicate mineral with the chemical formula ZrSiO₄. Its ex...]]></video:description>
			<video:player_loc>https://www.youtube.com/embed/AVRHxYRWvN8</video:player_loc>
			<video:thumbnail_loc>https://naturalgemsbelgium.com/wp-content/uploads/2026/10/zircon-gemstone.png</video:thumbnail_loc>
			<video:duration>125</video:duration>
			<video:family_friendly>yes</video:family_friendly>
			<video:uploader info="https://naturalgemsbelgium.com/author/ngb-editorial/">Natural Gems Belgium Editorial Team</video:uploader>
		</video:video>
	</url>
	<url>
		<loc>https://naturalgemsbelgium.com/gemstone-colour-change-why-some-gems-transform-under-different-light/</loc>
		<xhtml:link rel="alternate" hreflang="en" href="https://naturalgemsbelgium.com/gemstone-colour-change-why-some-gems-transform-under-different-light/" />
		<xhtml:link rel="alternate" hreflang="x-default" href="https://naturalgemsbelgium.com/gemstone-colour-change-why-some-gems-transform-under-different-light/" />
		<video:video>
			<video:title><![CDATA[Gemmology series episode 6 Gemstone Colour change - Natural Gems Belgium]]></video:title>
			<video:publication_date>2026-10-10T01:12:33-07:00</video:publication_date>
			<video:description><![CDATA[The episode examines alexandrite, colour-change garnet and sapphire, explains selective absorption and illumination spectra, and demonstrates why colour chan...]]></video:description>
			<video:player_loc>https://www.youtube.com/embed/Ni4C6lw4aHg</video:player_loc>
			<video:thumbnail_loc>https://naturalgemsbelgium.com/wp-content/uploads/2026/10/gemstone-colour-change.png</video:thumbnail_loc>
			<video:duration>171</video:duration>
			<video:family_friendly>yes</video:family_friendly>
			<video:uploader info="https://naturalgemsbelgium.com/author/ngb-editorial/">Natural Gems Belgium Editorial Team</video:uploader>
		</video:video>
	</url>
	<url>
		<loc>https://naturalgemsbelgium.com/spinel-gemstone-formation-properties-identification/</loc>
		<xhtml:link rel="alternate" hreflang="en" href="https://naturalgemsbelgium.com/spinel-gemstone-formation-properties-identification/" />
		<xhtml:link rel="alternate" hreflang="x-default" href="https://naturalgemsbelgium.com/spinel-gemstone-formation-properties-identification/" />
		<video:video>
			<video:title><![CDATA[Nadia Gemstone Academy - Spinel - Natural Gems Belgium]]></video:title>
			<video:publication_date>2026-10-09T02:36:08-07:00</video:publication_date>
			<video:description><![CDATA[Spinel is a mineral species belonging to the oxide group, with the ideal chemical formula MgAl₂O₄. Its remarkable colour diversity, distinctive cubic crystal...]]></video:description>
			<video:player_loc>https://www.youtube.com/embed/1CuqSj8zs1s</video:player_loc>
			<video:thumbnail_loc>https://naturalgemsbelgium.com/wp-content/uploads/2026/10/spinel-gemstone.png</video:thumbnail_loc>
			<video:duration>107</video:duration>
			<video:family_friendly>yes</video:family_friendly>
			<video:uploader info="https://naturalgemsbelgium.com/author/ngb-editorial/">Natural Gems Belgium Editorial Team</video:uploader>
		</video:video>
	</url>
	<url>
		<loc>https://naturalgemsbelgium.com/ruby-buying-guide-what-to-check-before-you-buy/</loc>
		<xhtml:link rel="alternate" hreflang="en" href="https://naturalgemsbelgium.com/ruby-buying-guide-what-to-check-before-you-buy/" />
		<xhtml:link rel="alternate" hreflang="x-default" href="https://naturalgemsbelgium.com/ruby-buying-guide-what-to-check-before-you-buy/" />
		<video:video>
			<video:title><![CDATA[Gemstone Buying guide  - Ruby - Lena Hoffmann - Natural Gems Belgium]]></video:title>
			<video:publication_date>2026-10-08T03:18:30-07:00</video:publication_date>
			<video:description><![CDATA[Few gemstones attract attention as quickly as a fine red ruby.That attraction can also make ruby one of the more complicated coloured gemstones for consumers...]]></video:description>
			<video:player_loc>https://www.youtube.com/embed/24y4SxqnjQU</video:player_loc>
			<video:thumbnail_loc>https://naturalgemsbelgium.com/wp-content/uploads/2026/10/Ruby-Buying-Guide.png</video:thumbnail_loc>
			<video:duration>171</video:duration>
			<video:family_friendly>yes</video:family_friendly>
			<video:uploader info="https://naturalgemsbelgium.com/author/ngb-editorial/">Natural Gems Belgium Editorial Team</video:uploader>
		</video:video>
	</url>
	<url>
		<loc>https://naturalgemsbelgium.com/gemstone-pleochroism-why-one-gemstone-can-show-different-colours/</loc>
		<xhtml:link rel="alternate" hreflang="en" href="https://naturalgemsbelgium.com/gemstone-pleochroism-why-one-gemstone-can-show-different-colours/" />
		<xhtml:link rel="alternate" hreflang="x-default" href="https://naturalgemsbelgium.com/gemstone-pleochroism-why-one-gemstone-can-show-different-colours/" />
		<video:video>
			<video:title><![CDATA[Gemmology Series Episode 5 - Gemstone Pleochroism - Natural Gems Belgium]]></video:title>
			<video:publication_date>2026-10-08T01:16:02-07:00</video:publication_date>
			<video:description><![CDATA[Take a strongly pleochroic gemstone such as iolite and examine it from different directions.From one direction, it may appear richly violet-blue.Turn the sam...]]></video:description>
			<video:player_loc>https://www.youtube.com/embed/NIu4TBaf-Kw</video:player_loc>
			<video:thumbnail_loc>https://naturalgemsbelgium.com/wp-content/uploads/2026/10/Gemstone-Pleochroism.png</video:thumbnail_loc>
			<video:duration>462</video:duration>
			<video:family_friendly>yes</video:family_friendly>
			<video:uploader info="https://naturalgemsbelgium.com/author/ngb-editorial/">Natural Gems Belgium Editorial Team</video:uploader>
		</video:video>
	</url>
	<url>
		<loc>https://naturalgemsbelgium.com/gemstone-clarity-what-does-eye-clean-really-mean/</loc>
		<xhtml:link rel="alternate" hreflang="en" href="https://naturalgemsbelgium.com/gemstone-clarity-what-does-eye-clean-really-mean/" />
		<xhtml:link rel="alternate" hreflang="x-default" href="https://naturalgemsbelgium.com/gemstone-clarity-what-does-eye-clean-really-mean/" />
		<video:video>
			<video:title><![CDATA[Natural Gems Belgium - Gemmology Series Episode 4 — Gemstone Clarity]]></video:title>
			<video:publication_date>2026-10-04T05:05:21-07:00</video:publication_date>
			<video:description><![CDATA[In Episode 4 of the Natural Gems Belgium Gemmology Series, Marnick Elskens, Founder of Natural Gems Belgium, explains how clarity is evaluated, what gem deal...]]></video:description>
			<video:player_loc>https://www.youtube.com/embed/s81RpltR7eE</video:player_loc>
			<video:thumbnail_loc>https://naturalgemsbelgium.com/wp-content/uploads/2026/10/gemstone-clarity-explained-gemmological-video-training.png</video:thumbnail_loc>
			<video:duration>232</video:duration>
			<video:family_friendly>yes</video:family_friendly>
			<video:uploader info="https://naturalgemsbelgium.com/author/ngb-editorial/">Natural Gems Belgium Editorial Team</video:uploader>
		</video:video>
	</url>
	<url>
		<loc>https://naturalgemsbelgium.com/blue-sapphire-buying-guide/</loc>
		<xhtml:link rel="alternate" hreflang="en" href="https://naturalgemsbelgium.com/blue-sapphire-buying-guide/" />
		<xhtml:link rel="alternate" hreflang="x-default" href="https://naturalgemsbelgium.com/blue-sapphire-buying-guide/" />
		<video:video>
			<video:title><![CDATA[Lena Hoffman buying guide - Natural Gems Belgium]]></video:title>
			<video:publication_date>2026-10-04T03:16:10-07:00</video:publication_date>
			<video:description><![CDATA[Blue sapphire is one of the world's most recognised coloured gemstones, but buying one intelligently requires more than simply choosing a stone described as ...]]></video:description>
			<video:player_loc>https://www.youtube.com/embed/8rVxNq02amE</video:player_loc>
			<video:thumbnail_loc>https://naturalgemsbelgium.com/wp-content/uploads/2026/10/Lena-Hoffman-blue-sapphire-buying-guide.png</video:thumbnail_loc>
			<video:duration>153</video:duration>
			<video:family_friendly>yes</video:family_friendly>
			<video:uploader info="https://naturalgemsbelgium.com/author/ngb-editorial/">Natural Gems Belgium Editorial Team</video:uploader>
		</video:video>
	</url>
	<url>
		<loc>https://naturalgemsbelgium.com/gemstone-inclusions-what-they-reveal-about-growth-treatment-and-origin/</loc>
		<xhtml:link rel="alternate" hreflang="en" href="https://naturalgemsbelgium.com/gemstone-inclusions-what-they-reveal-about-growth-treatment-and-origin/" />
		<xhtml:link rel="alternate" hreflang="x-default" href="https://naturalgemsbelgium.com/gemstone-inclusions-what-they-reveal-about-growth-treatment-and-origin/" />
		<video:video>
			<video:title><![CDATA[Episode3 - gemstone inclusions - gemmology series Natural Gems Belgium]]></video:title>
			<video:publication_date>2026-10-03T04:40:10-07:00</video:publication_date>
			<video:description><![CDATA[Tiny crystals may be suspended within the host. Fine needles can intersect according to crystallographic directions. Microscopic cavities may contain liquid,...]]></video:description>
			<video:player_loc>https://www.youtube.com/embed/MYc7mQ_OOpk</video:player_loc>
			<video:thumbnail_loc>https://naturalgemsbelgium.com/wp-content/uploads/2026/10/Gemstone-Inclusions-What-They-Reveal-About-Growth-Treatment-and-Origin.png</video:thumbnail_loc>
			<video:duration>222</video:duration>
			<video:family_friendly>yes</video:family_friendly>
			<video:uploader info="https://naturalgemsbelgium.com/author/ngb-editorial/">Natural Gems Belgium Editorial Team</video:uploader>
		</video:video>
	</url>
	<url>
		<loc>https://naturalgemsbelgium.com/emerald-gemstone-formation-properties-identification/</loc>
		<xhtml:link rel="alternate" hreflang="en" href="https://naturalgemsbelgium.com/emerald-gemstone-formation-properties-identification/" />
		<xhtml:link rel="alternate" hreflang="x-default" href="https://naturalgemsbelgium.com/emerald-gemstone-formation-properties-identification/" />
		<video:video>
			<video:title><![CDATA[Emerald: Formation, Gemmological Properties &amp; Identification Natural Gems Belgium]]></video:title>
			<video:publication_date>2026-10-03T03:22:59-07:00</video:publication_date>
			<video:description><![CDATA[nadia's gemstone academy]]></video:description>
			<video:player_loc>https://www.youtube.com/embed/a455Z3y-SIk</video:player_loc>
			<video:thumbnail_loc>https://naturalgemsbelgium.com/wp-content/uploads/2026/10/emerald-gemstone.png</video:thumbnail_loc>
			<video:duration>242</video:duration>
			<video:family_friendly>yes</video:family_friendly>
			<video:uploader info="https://naturalgemsbelgium.com/author/ngb-editorial/">Natural Gems Belgium Editorial Team</video:uploader>
		</video:video>
	</url>
	<url>
		<loc>https://naturalgemsbelgium.com/natural-vs-synthetic-gemstones-vs-simulants-what-is-the-difference/</loc>
		<xhtml:link rel="alternate" hreflang="en" href="https://naturalgemsbelgium.com/natural-vs-synthetic-gemstones-vs-simulants-what-is-the-difference/" />
		<xhtml:link rel="alternate" hreflang="x-default" href="https://naturalgemsbelgium.com/natural-vs-synthetic-gemstones-vs-simulants-what-is-the-difference/" />
		<video:video>
			<video:title><![CDATA[Learn the difference between natural, synthetic and simulant gemstones.]]></video:title>
			<video:publication_date>2026-09-26T05:42:35-07:00</video:publication_date>
			<video:description><![CDATA[Naturalgemsbelgium gemmology series  episode 2]]></video:description>
			<video:player_loc>https://www.youtube.com/embed/5uV-oUAAhps</video:player_loc>
			<video:thumbnail_loc>https://naturalgemsbelgium.com/wp-content/uploads/2026/09/Natural-vs-Synthetic-vs-Simulant.png</video:thumbnail_loc>
			<video:duration>223</video:duration>
			<video:family_friendly>yes</video:family_friendly>
			<video:uploader info="https://naturalgemsbelgium.com/author/ngb-editorial/">Natural Gems Belgium Editorial Team</video:uploader>
		</video:video>
	</url>
	<url>
		<loc>https://naturalgemsbelgium.com/understanding-gemstone-treatments/</loc>
		<xhtml:link rel="alternate" hreflang="en" href="https://naturalgemsbelgium.com/understanding-gemstone-treatments/" />
		<xhtml:link rel="alternate" hreflang="x-default" href="https://naturalgemsbelgium.com/understanding-gemstone-treatments/" />
		<video:video>
			<video:title><![CDATA[Natural Gems Belgium Gemmology Series episode 1: Understanding Gemstone Treatments]]></video:title>
			<video:publication_date>2026-08-07T02:53:43-07:00</video:publication_date>
			<video:description><![CDATA[What do terms such as heated, untreated, oiled, dyed, irradiated and fracture-filled actually mean when buying a gemstone?In the first episode of the Natural...]]></video:description>
			<video:player_loc>https://www.youtube.com/embed/h9HtSHU7GY4</video:player_loc>
			<video:thumbnail_loc>https://naturalgemsbelgium.com/wp-content/uploads/2026/09/gemstone-treatments.png</video:thumbnail_loc>
			<video:duration>210</video:duration>
			<video:family_friendly>yes</video:family_friendly>
			<video:uploader info="https://naturalgemsbelgium.com/author/ngb-editorial/">Natural Gems Belgium Editorial Team</video:uploader>
		</video:video>
	</url>
	<url>
		<loc>https://naturalgemsbelgium.com/blue-sapphire-formation-properties-identification/</loc>
		<xhtml:link rel="alternate" hreflang="en" href="https://naturalgemsbelgium.com/blue-sapphire-formation-properties-identification/" />
		<xhtml:link rel="alternate" hreflang="x-default" href="https://naturalgemsbelgium.com/blue-sapphire-formation-properties-identification/" />
		<video:video>
			<video:title><![CDATA[Blue Sapphire: Formation, Gemmological Properties &amp; Identification]]></video:title>
			<video:publication_date>2026-09-25T01:35:08-07:00</video:publication_date>
			<video:description><![CDATA[Explore blue sapphire formation, colour chemistry, inclusions, treatments, origins and the gemmological properties used for professional identification.]]></video:description>
			<video:player_loc>https://www.youtube.com/embed/NIf22ewyv8Y</video:player_loc>
			<video:thumbnail_loc>https://naturalgemsbelgium.com/wp-content/uploads/2026/09/Explore-blue-sapphire-formation.png</video:thumbnail_loc>
			<video:duration>245</video:duration>
			<video:family_friendly>yes</video:family_friendly>
			<video:uploader info="https://naturalgemsbelgium.com/author/ngb-editorial/">Natural Gems Belgium Editorial Team</video:uploader>
		</video:video>
	</url>
	<url>
		<loc>https://naturalgemsbelgium.com/ruby-gemstone-formation-properties-identification/</loc>
		<xhtml:link rel="alternate" hreflang="en" href="https://naturalgemsbelgium.com/ruby-gemstone-formation-properties-identification/" />
		<xhtml:link rel="alternate" hreflang="x-default" href="https://naturalgemsbelgium.com/ruby-gemstone-formation-properties-identification/" />
		<video:video>
			<video:title><![CDATA[Nadia Gemstone academy ; Ruby: Formation, Gemmological Properties &amp; Identification]]></video:title>
			<video:publication_date>2026-09-18T01:00:23-07:00</video:publication_date>
			<video:description><![CDATA[Ruby is the red gem variety of corundum, an aluminium oxide mineral whose exceptional hardness, optical properties and trace-element chemistry make it one of...]]></video:description>
			<video:player_loc>https://www.youtube.com/embed/frIBj4DjLG8</video:player_loc>
			<video:thumbnail_loc>https://naturalgemsbelgium.com/wp-content/uploads/2026/09/ruby-gemstone-at-nadia-gemstone-academy.png</video:thumbnail_loc>
			<video:duration>178</video:duration>
			<video:family_friendly>yes</video:family_friendly>
			<video:uploader info="https://naturalgemsbelgium.com/author/ngb-editorial/">Natural Gems Belgium Editorial Team</video:uploader>
		</video:video>
	</url>
</urlset>
<!-- XML Sitemap generated by Rank Math SEO Plugin (c) Rank Math - rankmath.com -->