mineral
Quartz with Matrix
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectMohs hardness of 7, white to clear color with brownish host rock, vitreous luster, conchoidal fracture, specific gravity of 2.65.
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Physical properties
Mohs hardness of 7, white to clear color with brownish host rock, vitreous luster, conchoidal fracture, specific gravity of 2.65.
Formation & geological history
Forms from hydrothermal solutions or cooling magma in various geological environments, spanning all ages.
Uses & applications
Used in electronics, glassmaking, countertops, and as mineral specimens for collectors.
Geological facts
Quartz is the second most abundant mineral in Earth's continental crust and exhibits piezoelectric properties.
Field identification & locations
Identified by its high hardness, lack of cleavage, and glassy luster; found worldwide in almost all rock types.
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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