mineral
Quartz Crystal Point
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness: 7 (Mohs scale), Color: Colorless to white, Luster: Vitreous (glassy), Crystal structure: Hexagonal (trigonal), Cleavage: None (conchoidal fracture), SG: 2.65
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Physical properties
Hardness: 7 (Mohs scale), Color: Colorless to white, Luster: Vitreous (glassy), Crystal structure: Hexagonal (trigonal), Cleavage: None (conchoidal fracture), SG: 2.65
Formation & geological history
Formed through the cooling of silica-rich magma or from hydrothermal solutions in veins. They are found in igneous, metamorphic, and sedimentary rocks across various geological ages.
Uses & applications
Used in electronics (oscillators), glass manufacturing, abrasives, jewelry (gemstones), and as decorative interior specimens or for metaphysical collecting.
Geological facts
Quartz is the second most abundant mineral in Earth's continental crust. Pure quartz is traditionally called rock crystal or clear quartz.
Field identification & locations
Identify in the field by its hexagonal crystal habit with horizontal striations on the faces and its ability to scratch glass. Commonly found in pegmatites and mountain ranges worldwide.
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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
Epidote
Epidote | Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH)
metamorphic
Pegmatite with Tourmaline and Quartz
Igneous Pegmatite
igneous
Granite
Granite (Phaneritic intrusive igneous rock)
igneous