mineral
Quartz Cluster on Matrix
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, vitreous luster, hexagonal crystal system, and clear to smoky coloration.
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Physical properties
Hardness of 7 on the Mohs scale, vitreous luster, hexagonal crystal system, and clear to smoky coloration.
Formation & geological history
Formed through hydrothermal precipitation in rock cavities and veins over millions of years.
Uses & applications
Used in electronics, oscillator clocks, ornamental display, and mineral 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 distinct crystal habit and scratch resistance; commonly found worldwide in pegmatites and hydrothermal veins.
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Other mineral specimens
Gneiss or Schist
Gneiss or Mica Schist with Garnet
Metamorphic
Limonite
FeO(OH)•nH2O
mineral
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