mineral
Citrine
Silicon Dioxide (Quartz variety, SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, yellow to orange color, vitreous luster, hexagonal crystal system, conchoidal fracture.
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Physical properties
Hardness of 7 on the Mohs scale, yellow to orange color, vitreous luster, hexagonal crystal system, conchoidal fracture.
Formation & geological history
Forms naturally through the low-temperature hydrothermal crystallization of quartz or the thermal alteration of amethyst.
Uses & applications
Widely used in jewelry, ornamental carvings, and as a popular collectible crystal.
Geological facts
Natural citrine is relatively rare, with most commercial citrine actually being heat-treated amethyst.
Field identification & locations
Identified by its distinctive yellow-orange color and lack of cleavage; found globally, especially in Brazil and Madagascar.
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