mineral
Citrine
SiO2 (Silicon Dioxide)
AI-generated identification · may be incorrectHardness: 7 (Mohs scale), Color: Pale yellow to brownish orange, Luster: Vitreous, Crystal structure: Trigonal, Cleavage: Indistinct, Specific gravity: 2.65
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Physical properties
Hardness: 7 (Mohs scale), Color: Pale yellow to brownish orange, Luster: Vitreous, Crystal structure: Trigonal, Cleavage: Indistinct, Specific gravity: 2.65
Formation & geological history
Formed in igneous, metamorphic, and sedimentary rocks. Often created naturally by heat from magma bodies interacting with amethyst or smoky quartz.
Uses & applications
Primarily used in jewelry as a gemstone and highly valued by mineral collectors.
Geological facts
Natural citrine is relatively rare; most commercial citrine is actually heat-treated amethyst or smoky quartz. The name comes from the Latin word 'citrina' which means yellow.
Field identification & locations
Identified by its yellow to orange color, vitreous luster, and conchoidal fracture. Found in places like Brazil, Madagascar, and the USA.
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Other mineral specimens
Gneiss or Schist
Gneiss or Mica Schist with Garnet
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