mineral
Quartz Crystal Cluster
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on Mohs scale, transparent to white/milky color, vitreous luster, hexagonal crystal system, conchoidal fracture.
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Physical properties
Hardness of 7 on Mohs scale, transparent to white/milky color, vitreous luster, hexagonal crystal system, conchoidal fracture.
Formation & geological history
Formed from hydrothermal solutions rich in silica precipitating in rock cavities and veins over millions of years.
Uses & applications
Used in electronics, watchmaking, optical lenses, decorative items, and mineral collecting.
Geological facts
Quartz is the second most abundant mineral in Earth's continental crust and exhibits piezoelectric properties.
Field identification & locations
Easily identified by its high hardness, hexagonal crystal habit, and lack of cleavage; found worldwide in diverse geological environments.
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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
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