mineral
Quartz
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on Mohs scale, vitreous luster, conchoidal fracture, and trigonal crystal system with whitish to pale yellow coloring.
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Physical properties
Hardness of 7 on Mohs scale, vitreous luster, conchoidal fracture, and trigonal crystal system with whitish to pale yellow coloring.
Formation & geological history
Forms in wide variety of igneous, metamorphic, and sedimentary environments through precipitation from silica-rich solutions.
Uses & applications
Used in electronics, glassmaking, precision instruments, and gemstone carvings or ornamental pieces.
Geological facts
Quartz is one of the most abundant minerals in the Earth's continental crust and exhibits strong piezoelectric properties.
Field identification & locations
Identified by its high hardness, lack of cleavage, and distinct conchoidal fracture; found worldwide in almost all geological settings.
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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