Rock Identifier
Likely citrine or yellow glass imitation in a silver-tone bracelet (Citrine: quartz, SiO₂; exact material cannot be confirmed visually) — gemstone
gemstone

Likely citrine or yellow glass imitation in a silver-tone bracelet

Citrine: quartz, SiO₂; exact material cannot be confirmed visually

AI-generated identification · may be incorrect

The faceted yellow stones show vitreous luster and strong sparkle, set in ornate metal. Citrine has Mohs hardness 7, trigonal crystal structure, no cleavage, and specific gravity about 2.65; glass is softer (about 5–6) and may show bubbles or rounded facet edges.

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Physical properties

The faceted yellow stones show vitreous luster and strong sparkle, set in ornate metal. Citrine has Mohs hardness 7, trigonal crystal structure, no cleavage, and specific gravity about 2.65; glass is softer (about 5–6) and may show bubbles or rounded facet edges.

Formation & geological history

Natural citrine forms when iron-bearing quartz crystallizes in hydrothermal veins or igneous cavities; much commercial citrine is heat-treated amethyst. The bracelet is a modern human-processed jewelry item, and the stones’ geological age is unknown.

Uses & applications

Used as an affordable jewelry gemstone and collector material; the surrounding metalwork is decorative rather than geological.

Geological facts

Natural citrine is relatively uncommon compared with heat-treated amethyst, which often has strong orange coloration and reddish tips. Photograph-based identification cannot reliably distinguish quartz from yellow glass or synthetic material.

Field identification & locations

Check for inclusions, sharp facets, and a refractive double image through the stone; hardness or gemological testing is more reliable than appearance. Citrine commonly occurs in Brazil, Madagascar, Zambia, and Uruguay.