gemstone

Faceted citrine pendant

Citrine, gem-quality quartz (SiO₂), likely heat-treated amethyst

AI-generated identification · may be incorrect

Hardness 7 Mohs; yellow-to-honey brown color, vitreous luster, transparent to translucent, trigonal crystal structure, and indistinct cleavage. The stone is faceted and mounted in marked sterling silver, with visible inclusions and surface wear.

Identified September 12, 2026More gemstone →

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Physical properties

Formation & geological history

Natural citrine forms when iron-bearing quartz crystallizes in hydrothermal veins or igneous cavities; most commercial citrine is heat-treated amethyst. Quartz commonly formed during the Paleozoic–Cenozoic, depending on deposit.

Uses & applications

Used in jewelry and ornamental objects; sterling silver is an alloy typically containing about 92.5% silver. Jewelry value depends on the stone’s size, clarity, color, cut, silver weight, and maker.

Geological facts

Citrine is November’s birthstone and is sometimes called “success stone.” Heat-treated material often has strong orange coloration and may show reddish tones near the pavilion.

Field identification & locations

Identify by its glassy luster, hardness, quartz-like inclusions, and resistance to scratching by steel; distinguish from glass by testing under magnification and checking inclusions. Major sources include Brazil, Madagascar, Bolivia, Zambia, and Uruguay.