
mineral
Citrine
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness: 7 on Mohs scale; Color: yellow to brownish-orange; Luster: Vitreous; Crystal Structure: Trigonal; Cleavage: None (conchoidal fracture); Specific Gravity: 2.65.
- Hardness
- 7 on Mohs scale
- Color
- yellow to brownish-orange
- Luster
- Vitreous
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Physical properties
Hardness: 7 on Mohs scale; Color: yellow to brownish-orange; Luster: Vitreous; Crystal Structure: Trigonal; Cleavage: None (conchoidal fracture); Specific Gravity: 2.65.
Formation & geological history
Formed in igneous and metamorphic rocks, particularly in hydrothermal veins and geodes. Most commercial citrine is produced by heat-treating amethyst or smoky quartz.
Uses & applications
Primary use is in jewelry as a gemstone and for healing crystal/spiritual collections due to its 'success stone' reputation.
Geological facts
Naturally occurring citrine is quite rare; most available on the market is heat-treated amethyst. It is known as the 'merchant's stone' for its association with prosperity.
Field identification & locations
Identify by its translucent yellow hue and 7 hardness (scratches glass). Found in Brazil, Madagascar, and Russia. Collectors should look for internal clarity and saturation of color.
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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