mineral
Citrine
Silicon dioxide (Quartz variety), SiO2
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, pale yellow to brownish-orange color, vitreous luster, trigonal crystal system, conchoidal fracture with no true cleavage, and a specific gravity of 2.65.
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Physical properties
Hardness of 7 on the Mohs scale, pale yellow to brownish-orange color, vitreous luster, trigonal crystal system, conchoidal fracture with no true cleavage, and a specific gravity of 2.65.
Formation & geological history
Formed through the hydrothermal crystallization of silica-rich solutions or by the low-temperature thermal alteration of amethyst, commonly found in pegmatites and igneous cavities.
Uses & applications
Widely used as a popular gemstone in jewelry, for decorative carvings, and in metaphysical crystal collections.
Geological facts
Natural citrine is relatively rare, with the vast majority of commercial citrine produced by heat-treating pale amethyst or smoky quartz.
Field identification & locations
Identified by its distinct yellow-to-orange hue and lack of cleavage; commonly sourced from Brazil, Madagascar, and the USA.
