mineral
Yellow Quartz (Citrine / Orange Quartz)
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness 7 on Mohs scale, vitreous to greasy luster, trigonal crystal system, conchoidal fracture, yellowish-orange to translucent tan color.
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Physical properties
Hardness 7 on Mohs scale, vitreous to greasy luster, trigonal crystal system, conchoidal fracture, yellowish-orange to translucent tan color.
Formation & geological history
Forms in pegmatites, hydrothermal veins, and igneous rocks through the cooling of silica-rich solutions under high pressure.
Uses & applications
Used widely in ornamental carvings, lapidary projects, crystal healing collections, and jewelry making.
Geological facts
Quartz is one of the most abundant minerals in the Earth's continental crust. Yellow varieties can naturally derive their hue from ferric iron impurities.
Field identification & locations
Can be identified by its inability to be scratched by steel, lack of distinct cleavage, and glassy appearance. Widely 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