
mineral
Clear Quartz
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness: 7 on Mohs scale; Color: Colorless/Transparent; Luster: Vitreous; Crystal Structure: Trigonal/Hexagonal; Cleavage: None/Conchoidal fracture; Specific Gravity: 2.65
- Hardness
- 7 on Mohs scale
- Color
- Colorless/Transparent
- Luster
- Vitreous
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Physical properties
Hardness: 7 on Mohs scale; Color: Colorless/Transparent; Luster: Vitreous; Crystal Structure: Trigonal/Hexagonal; Cleavage: None/Conchoidal fracture; Specific Gravity: 2.65
Formation & geological history
Forms in all types of geological environments but primarily crystallizes from magma or precipitates from hydrothermal veins. It is found in igneous, metamorphic, and sedimentary rocks across all geological ages.
Uses & applications
Used in electronics for its piezoelectric properties, glassmaking, abrasives, and as a popular gemstone for jewelry and metaphysical collecting.
Geological facts
Quartz is one of the most abundant minerals in Earth's continental crust. Its name comes from the German word 'quarz', which originally meant 'hard'.
Field identification & locations
Identify by its hardness (will scratch glass), lack of cleavage, and transparent appearance. Commonly found worldwide, especially in mountain ranges and silica-rich river beds.
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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