
mineral
Citrine (or Yellow Chalcedony / Quartz)
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness: 7 on Mohs scale. Color: Golden yellow, honey brown, to pale amber. Luster: Vitreous to waxy. Crystal Structure: Trigonal/Hexagonal. Cleavage: None, exhibits conchoidal fracture. Specific Gravity: 2.65.
- Hardness
- 7 on Mohs scale
- Color
- Golden yellow, honey brown, to pale amber
- Luster
- Vitreous to waxy
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Physical properties
Hardness: 7 on Mohs scale. Color: Golden yellow, honey brown, to pale amber. Luster: Vitreous to waxy. Crystal Structure: Trigonal/Hexagonal. Cleavage: None, exhibits conchoidal fracture. Specific Gravity: 2.65.
Formation & geological history
Formed in igneous pegmatites, hydrothermal veins, or sedimentary alluvial deposits. Natural citrine gets its yellow color from traces of iron impurities combined with heat.
Uses & applications
Widely used as a gemstone in jewelry, pocket stones, decorative carving, and crystal healing/metaphysical practices.
Geological facts
Natural citrine is quite rare; much of the commercial citrine on the market is actually heat-treated amethyst or smoky quartz. It is often called the 'Merchant's Stone' due to associations with wealth and prosperity.
Field identification & locations
Identified by its Mohs hardness of 7 (scratches glass), glass-like to waxy luster, lack of cleavage, and translucent warm yellow-brown color. Found in Brazil, Madagascar, Russia, and the United States.
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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
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
Septarian Pebble
Septarian nodule / Concretion
sedimentary