mineral
Citrine
Silicon Dioxide (Quartz variety), SiO2
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, color ranges from pale yellow to brownish orange or honey yellow, vitreous luster, trigonal crystal system, conchoidal fracture with no true cleavage, specific gravity of 2.65.
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Physical properties
Hardness of 7 on the Mohs scale, color ranges from pale yellow to brownish orange or honey yellow, vitreous luster, trigonal crystal system, conchoidal fracture with no true cleavage, specific gravity of 2.65.
Formation & geological history
Forms naturally through the irradiation of smoky quartz or the low-temperature thermal alteration of amethyst, typically in pegmatites, hydrothermal veins, or cavity linings in volcanic and metamorphic rocks.
Uses & applications
Widely used as a popular gemstone in rings, necklaces, and earrings, as well as in decorative carvings and crystal healing practices.
Geological facts
Natural citrine is relatively rare compared to heat-treated amethyst, which is commonly sold commercially as citrine. Its yellow color is caused by trace amounts of iron impurities.
Field identification & locations
Identified by its distinctive yellow-to-orange color, lack of cleavage, and conchoidal fracture. Found globally including Brazil, Madagascar, Russia, and the United States.
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Metamorphic
Sandstone (with potential mineral staining/concretions)
Arenite (SiO2 based)
sedimentary
Tumbled granite
Granite, a coarse-grained felsic intrusive igneous rock
igneous
Epidote
Epidote | Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH)
metamorphic
Pegmatite with Tourmaline and Quartz
Igneous Pegmatite
igneous
Granite
Granite (Phaneritic intrusive igneous rock)
igneous