Natural Reddish Orange Carnelian · 10.45 ct · Freeform · Rose Cut

$68.85

Natural Carnelian weighing 10.45 ct, fashioned in a free-form rose cut and measuring approximately 18.9 × 13.3 × 5.7 mm. This translucent gemstone displays a warm reddish-orange colour, an included clarity profile and attractive surface luster. A chip is present at the girdle / lower girdle area, and the cut quality is assessed as fair. No indication of treatment.

1 in stock

NGB Reference: NGB-000886 SKU: FA-CHA024CA-001-010 Category: Brand:
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This natural 𝐂𝐚𝐫𝐧𝐞𝐥𝐢𝐚𝐧 weighs 𝟏𝟎.𝟒𝟓 𝐜𝐭 and is fashioned in a distinctive 𝐟𝐫𝐞𝐞-𝐟𝐨𝐫𝐦 𝐫𝐨𝐬𝐞 𝐜𝐮𝐭, combining a warm reddish-orange body colour with attractive translucency and a particularly appealing surface luster.

Measuring approximately 𝟏𝟖.𝟗 × 𝟏𝟑.𝟑 × 𝟓.𝟕 𝐦𝐦, the gemstone presents an individual asymmetric outline rather than a calibrated geometric shape. The rose-cut facet arrangement provides a broad face-up appearance and creates reflective highlights across the surface of the stone.

The gemstone displays an attractive 𝐫𝐞𝐝𝐝𝐢𝐬𝐡-𝐨𝐫𝐚𝐧𝐠𝐞 𝐜𝐨𝐥𝐨𝐮𝐫, characteristic of Carnelian and positioned toward the richer orange-red part of its natural colour range. Subtle variations in saturation and translucency contribute further depth and individuality to the material.

Carnelian is the orange to reddish-orange variety of 𝐂𝐡𝐚𝐥𝐜𝐞𝐝𝐨𝐧𝐲, a cryptocrystalline member of the Quartz group. Its characteristic warm coloration is generally associated with finely dispersed iron-bearing compounds within the material.

The stone is 𝐭𝐫𝐚𝐧𝐬𝐥𝐮𝐜𝐞𝐧𝐭 and has an 𝐢𝐧𝐜𝐥𝐮𝐝𝐞𝐝 𝐜𝐥𝐚𝐫𝐢𝐭𝐲 𝐩𝐫𝐨𝐟𝐢𝐥𝐞. Natural cloudy zones, internal structural variation and inclusions are visible within the gemstone and influence its internal cleanliness.

A 𝐜𝐡𝐢𝐩 𝐢𝐬 𝐩𝐫𝐞𝐬𝐞𝐧𝐭 𝐚𝐭 𝐭𝐡𝐞 𝐠𝐢𝐫𝐝𝐥𝐞 / 𝐥𝐨𝐰𝐞𝐫 𝐠𝐢𝐫𝐝𝐥𝐞 𝐚𝐫𝐞𝐚 in association with the included structure of the material. This condition is documented and should be considered during handling or jewellery setting.

The cutting quality is assessed as 𝐟𝐚𝐢𝐫. While the free-form proportions and facet arrangement are less refined than those of a precisely calibrated stone, the gemstone retains a 𝐛𝐞𝐚𝐮𝐭𝐢𝐟𝐮𝐥 𝐥𝐮𝐬𝐭𝐞𝐫 that produces attractive reflections across its rose-cut surface.

There is 𝐧𝐨 𝐢𝐧𝐝𝐢𝐜𝐚𝐭𝐢𝐨𝐧 𝐨𝐟 𝐭𝐫𝐞𝐚𝐭𝐦𝐞𝐧𝐭 for this specimen.

With its 𝐰𝐚𝐫𝐦 𝐫𝐞𝐝𝐝𝐢𝐬𝐡-𝐨𝐫𝐚𝐧𝐠𝐞 𝐜𝐨𝐥𝐨𝐮𝐫, substantial 10.45 ct weight and attractive luster, this natural Carnelian retains strong individual visual character despite its included clarity, fair cutting quality and documented girdle chip.

Overall Score: 64/100

NGB Grade:

Quality Evaluation

Color17.0/20
Clarity10.0/20
Cut12.0/20
Optical Performance12.0/20
Overall Appeal13.0/20

Evaluation Notes

This natural Carnelian presents a fair overall quality profile, with its warm reddish-orange colour, substantial 10.45 ct weight and attractive surface luster remaining the main positive visual characteristics.

The gemstone shows an included clarity profile with cloudy internal zones, structural variation and natural inclusions that reduce transparency and internal cleanliness. The fair cut limits optical performance and overall refinement, while the chip at the girdle / lower girdle area is an additional condition factor that affects the overall assessment.

The combination of attractive colour, good luster and substantial size is balanced against the included clarity, fair cutting quality and documented girdle damage, supporting an overall 64/100 assessment.

Species

Quartz

Gemstone Variety

Carnelian

Color

Orange

Shape

Free Form

Cut

Rose Cut

Treatment

Unheated, Untreated

Transparency

Translucent

Gemological Properties

Carat Weight10.45 ct
Dimensions18.9 × 13.3 × 5.7 mm
TransparencyTranslucent
ClarityI3
Refractive Index1.535 – 1.539
Hardness6.5–7 Mohs
Birefringence0.003 – 0.009
Crystal SystemTrigonal
LusterWaxy to resinous
Color Descriptionreddish orange
Transparency NotesTranslucent; assessed together with the specimen-specific clarity and internal characteristics.
Natural CharacteristicsThe Carnelian displays a naturally translucent cryptocrystalline structure with warm reddish-orange colour and visible internal variation. Fine cloudy zones, natural inclusions and subtle differences in translucency are present throughout the stone, consistent with included natural Chalcedony. A chip is present at the girdle / lower girdle area in association with the included structure of the material. This forms part of the gemstone’s present condition and should be considered during handling or jewellery setting. Despite these internal and structural characteristics, the stone retains attractive surface luster and a distinctive natural appearance, with the reddish-orange colour and free-form shape contributing strongly to its individual character.

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