mineral

Citrine

Silicon Dioxide (SiO2)

Hardness (Mohs scale): 7. Color: yellow to reddish-orange. Luster: vitreous. Crystal structure: trigonal/hexagonal. Cleavage: none. Specific gravity: 2.65.

Color: yellow to reddish-orange
Luster: vitreous

Identified May 24, 2026More mineral →

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Physical properties

Hardness (Mohs scale): 7. Color: yellow to reddish-orange. Luster: vitreous. Crystal structure: trigonal/hexagonal. Cleavage: none. Specific gravity: 2.65.

Formation & geological history

Forms in igneous rocks (granite pegmatites) and metamorphic rocks. Natural citrine is rare; many specimens are heat-treated amethyst or smoky quartz.

Uses & applications

Primarily used in jewelry (faceting, cabochons), carvings, and as a popular gemstone for collectors.

Geological facts

Citrine is known as the 'Success Stone' or 'Merchant's Stone' in crystal healing. Natural citrine can be distinguished from heat-treated versions by its lack of reddish tints and uniform color.

Field identification & locations

Identify in the field by its hardness (scratches glass) and color. Commonly found in Brazil, Madagascar, and Russia. Look for clarity and internal fractures known as 'rainbows' in tumbled stones.