mineral
Clear Quartz
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness: 7 Mohs; Color: Colorless; Luster: Vitreous; Crystal Structure: Hexagonal (trigonal); Cleavage: Indistinct; Specific Gravity: 2.65
- Hardness
- 7 Mohs
- Color
- Colorless
- Luster
- Vitreous
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Physical properties
Hardness: 7 Mohs; Color: Colorless; Luster: Vitreous; Crystal Structure: Hexagonal (trigonal); Cleavage: Indistinct; Specific Gravity: 2.65
Formation & geological history
Forms in igneous, metamorphic, and sedimentary environments. Typically crystallizes from magma or hydrothermal cooling in veins over millions of years.
Uses & applications
Used in electronics as a piezoelectric oscillator, glass manufacturing, abrasives, jewelry (tumbled stones/beads), and gemstone collecting.
Geological facts
Quartz is the second most abundant mineral in Earth's continental crust. It is highly resistant to both chemical and physical weathering.
Field identification & locations
Identified by its ability to scratch glass, its conchoidal (shell-like) fracture, and lack of cleavage. Found globally in pegmatites and river beds.
More like this
Other mineral specimens
Gneiss or Schist
Gneiss or Mica Schist with Garnet
Metamorphic
Sandstone (with potential mineral staining/concretions)
Arenite (SiO2 based)
sedimentary
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
Septarian Pebble
Septarian nodule / Concretion
sedimentary