mineral
White Quartz
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, white or milky color, vitreous to greasy luster, trigonal crystal system, and conchoidal fracture with no true cleavage.
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Physical properties
Hardness of 7 on the Mohs scale, white or milky color, vitreous to greasy luster, trigonal crystal system, and conchoidal fracture with no true cleavage.
Formation & geological history
Forms in hydrothermal veins, pegmatites, and igneous, metamorphic, and sedimentary rocks globally across all geological time periods.
Uses & applications
Widely used in jewelry, decorative carvings, electronics, glassmaking, and abrasive industrial applications.
Geological facts
Quartz is the second most abundant mineral in Earth's continental crust and exhibits strong piezoelectric properties.
Field identification & locations
Easily identified by its high hardness (scratches glass), lack of cleavage, and distinct conchoidal fracture; found worldwide.
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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