
mineral
Clear Quartz
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness: 7 on Mohs scale; Color: Colorless to transparent; Luster: Vitreous (glass-like); Crystal structure: Hexagonal/Trigonal; Cleavage: None/Conchoidal fracture; Specific gravity: 2.65.
- Hardness
- 7 on Mohs scale
- Color
- Colorless to transparent
- Luster
- Vitreous (glass-like)
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Physical properties
Hardness: 7 on Mohs scale; Color: Colorless to transparent; Luster: Vitreous (glass-like); Crystal structure: Hexagonal/Trigonal; Cleavage: None/Conchoidal fracture; Specific gravity: 2.65.
Formation & geological history
Formed through the crystallization of silica-rich magma or from hydrothermal veins. It occurs in all types of geological environments (igneous, metamorphic, and sedimentary) and can be over 100 million years old depending on the deposit.
Uses & applications
Used widely in electronics (oscillators), optical instruments, glassmaking, and extensively in jewelry and as healing crystals in the metaphysical community.
Geological facts
Quartz is the second most abundant mineral in Earth's continental crust. It is piezo-electric, meaning it generates an electric charge when mechanical pressure is applied.
Field identification & locations
Identify by its ability to scratch glass, its hexagonal point structure, and lack of cleavage. Commonly found in mountainous regions globally like Arkansas (USA), Brazil, and the Alps.
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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
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