mineral
Citrine
Silicon Dioxide (Quartz variety), SiO2
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, yellow to orange-brown color, vitreous luster, hexagonal crystal system, and conchoidal fracture with no true cleavage.
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Physical properties
Hardness of 7 on the Mohs scale, yellow to orange-brown color, vitreous luster, hexagonal crystal system, and conchoidal fracture with no true cleavage.
Formation & geological history
Formed naturally through the hydrothermal crystallization of silica-rich fluids or by thermal metamorphism of amethyst, often found in pegmatites and hydrothermal veins.
Uses & applications
Widely used as a gemstone in jewelry, decorative carvings, and collected as mineral specimens for its warm, vibrant color.
Geological facts
Natural citrine is relatively rare compared to heat-treated amethyst, which is commonly sold commercially as citrine.
Field identification & locations
Identified by its distinct yellow color and lack of cleavage; commonly sourced from Brazil, Madagascar, and the Ural Mountains.
