Citrine

Physical Properties

Hardness: 7 (Mohs scale), Color: Pale yellow to brownish orange, Luster: Vitreous, Crystal structure: Trigonal, Cleavage: Indistinct, Specific gravity: 2.65

Formation & Geological History

Formed in igneous, metamorphic, and sedimentary rocks. Often created naturally by heat from magma bodies interacting with amethyst or smoky quartz.

Uses & Applications

Primarily used in jewelry as a gemstone and highly valued by mineral collectors.

Geological Facts

Natural citrine is relatively rare; most commercial citrine is actually heat-treated amethyst or smoky quartz. The name comes from the Latin word 'citrina' which means yellow.

Field Identification & Locations

Identified by its yellow to orange color, vitreous luster, and conchoidal fracture. Found in places like Brazil, Madagascar, and the USA.

Identified on: 4/15/2026

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