Rock Identifier
Citrine (Silicon Dioxide (SiO2)) — mineral
mineral

Citrine

Silicon Dioxide (SiO2)

AI-generated identification · may be incorrect

Hardness of 7 on the Mohs scale, yellow to orange-brown color, vitreous luster, hexagonal crystal system, conchoidal fracture with no cleavage.

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Physical properties

Hardness of 7 on the Mohs scale, yellow to orange-brown color, vitreous luster, hexagonal crystal system, conchoidal fracture with no cleavage.

Formation & geological history

Forms in igneous, metamorphic, and sedimentary rocks through the crystallization of hydrothermal solutions or low-temperature thermal metamorphism of amethyst.

Uses & applications

Widely used in jewelry, ornamental carvings, and as a popular collectible crystal.

Geological facts

Natural citrine is relatively rare; most commercial citrine is produced by heat-treating purple amethyst or smoky quartz.

Field identification & locations

Identified by its distinctive yellow-orange color and quartz hardness, commonly sourced from Brazil, Madagascar, and the USA.