Natural Amethyst Crystal · 86 g · Decor

$24.56

Natural rough Amethyst specimen weighing approximately 86 g (430 ct) and measuring 50.1 × 43.0 × 35.8 mm. The stone displays deep purple colour zoning, attractive translucency, natural fractures, veils and crystalline surface structure, giving it strong collector and decorative appeal. The specimen is also UV-reactive and is preserved in its natural rough state.

1 in stock

NGB Reference: NGB-000517 SKU: RO-AMET026PU-003-546 Category: Brand:
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This natural rough Amethyst specimen combines deep purple colour with a strongly textured crystalline structure and an imposing natural form. Weighing approximately 86 g (430 ct), the piece has enough mass and presence to function as a distinctive mineral display specimen while retaining the irregular surfaces and internal characteristics expected from untreated natural material.

The crystal displays attractive variation between darker violet zones and lighter translucent areas, creating considerable depth when viewed from different directions. Natural fractures, internal veils, inclusions and uneven crystalline surfaces remain clearly visible throughout the specimen, giving it a strong geological character rather than the uniform appearance of polished decorative material.

Under ultraviolet illumination, the specimen displays a visible reactive response, adding another interesting visual characteristic for collectors and enthusiasts. The exact appearance and intensity of this response may vary depending on the wavelength and strength of the UV light source used.

Its compact but substantial dimensions of approximately 50.1 × 43.0 × 35.8 mm make it well suited to display on a shelf, desk, mineral cabinet or dedicated crystal arrangement. The combination of deep purple colour, translucency and rough natural morphology also makes it attractive for meditation spaces or interiors where authentic mineral décor is preferred.

This is a unique natural specimen, and the exact crystal shown in the photographs is the piece supplied. Natural fractures, inclusions, colour zoning and irregularities are inherent characteristics of the stone and form part of its individual geological identity.

𝐏𝐫𝐨𝐩𝐞𝐫𝐭𝐲: UV-Reactive

Overall Score: 90.0/100

NGB Grade: Excellent

Quality Evaluation

Color19.0/20
Clarity16.0/20
Overall Appeal19.0/20
Natural Characteristics18.0/20
Overall Rough Quality18.0/20

Evaluation Notes

A high-quality natural rough Amethyst specimen with strong deep-purple colour, attractive translucency and substantial visual presence. The specimen shows appealing internal depth, natural colour zoning and a well-balanced rough form, while fractures, veils and inclusions remain consistent with untreated material and add geological character. The overall combination of colour, mass, translucency and display quality places this piece firmly within the Excellent range.

Species

Quartz

Gemstone Variety

Amethyst

Color

Purple

Shape

Pear

Treatment

Unheated, Untreated

Gemological Properties

Carat Weight430 ct
Dimensions50.1 × 43.0 × 35.8 mm
TransparencyTranslucent
Refractive Index1.544–1.553
Specific Gravity2.65
Hardness7 Mohs
Birefringence0.009
Crystal SystemTrigonal
Dispersion0.013
LusterVitreous
Color DescriptionDeep Purple (uv-reactive)
Transparency NotesTranslucent to semi-transparent, with natural internal fractures, veils, inclusions and darker colour zones visible throughout the specimen.
Natural CharacteristicsNatural rough crystalline surfaces, deep purple colour zoning, internal fractures and veils, minor mineral inclusions, irregular edges, and variations in translucency consistent with untreated Amethyst.

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