
mineral
Quartz Crystal
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on Mohs scale, colorless or white with occasional iron staining, vitreous luster, trigonal crystal system, conchoidal fracture.
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Physical properties
Hardness of 7 on Mohs scale, colorless or white with occasional iron staining, vitreous luster, trigonal crystal system, conchoidal fracture.
Formation & geological history
Formed in hydrothermal veins and pegmatites worldwide through the cooling of silica-rich fluids.
Uses & applications
Used in jewelry, electronics, and mineral specimen collecting.
Geological facts
Quartz is one of the most abundant minerals in Earth's continental crust and exhibits piezoelectric properties.
Field identification & locations
Identified by its characteristic hexagonal prism shape, striations, and inability to be scratched by steel.
More like this
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
Pegmatite with Tourmaline and Quartz
Igneous Pegmatite
igneous
Epidote
Epidote | Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH)
metamorphic
Granite
Granite (Phaneritic intrusive igneous rock)
igneous