gemstone

Yellow faceted gemstone, likely citrine or yellow beryl

Quartz (SiO₂), if citrine; beryl (Be₃Al₂Si₆O₁₈), if heliodor

AI-generated identification · may be incorrect

Small transparent yellow-orange faceted stone with vitreous luster and apparent internal inclusions. Citrine has Mohs hardness 7 and no cleavage; beryl has hardness 7.5–8 and imperfect cleavage. Color alone cannot distinguish them reliably from the image.

Identified September 13, 2026More gemstone →

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At a glance

Common name: Yellow faceted gemstone, likely citrine or yellow beryl
Scientific name: Quartz (SiO₂), if citrine; beryl (Be₃Al₂Si₆O₁₈), if heliodor
Category: gemstone
Identified: September 13, 2026
Method: Standard

AI Estimated Value

About $5–$50 for a small citrine; $30–$300+ for quality heliodor. Identification, natural-vs-treated status, clarity, and weight strongly affect value.

Not an official valuation

AI estimate for general interest only — not an appraisal. Actual value depends on condition, provenance, and market demand. Verify with a professional before buying, selling, or insuring.

This identification was generated by AI and may contain errors. Verify important details before relying on them — and never use an AI result to judge whether a specimen is safe to handle. Read the full disclaimer

Physical properties

Formation & geological history

Natural citrine forms through iron-related coloration in quartz, commonly in hydrothermal veins; much commercial citrine is heat-treated amethyst. Yellow beryl (heliodor) crystallizes in pegmatites. Geological ages vary widely by deposit.

Uses & applications

Used as a faceted jewelry stone and collector specimen. Citrine is common and affordable; fine natural heliodor is scarcer and more valuable.

Geological facts

The warm yellow color and faceting could also represent treated quartz, yellow sapphire, or synthetic glass; laboratory testing is needed for confident identification.

Field identification & locations

Check refractive index, specific gravity, birefringence, and inclusions with a gemological refractometer and loupe; a scratch test is not recommended. Citrine commonly occurs in Brazil, Uruguay, Madagascar, and Zambia; heliodor in Brazil, Namibia, and Ukraine.