mineral
Quartz Druzy (on Matrix)
Silicon Dioxide (SiO2)
AI-generated identification · may be incorrectHardness: 7 Mohs; Color: Clear to light smoky/brownish; Luster: Vitreous/glassy; Structure: Hexagonal; Cleavage: None/Conchoidal fracture; Specific gravity: 2.65
- Hardness
- 7 Mohs
- Color
- Clear to light smoky/brownish
- Luster
- Vitreous/glassy
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Physical properties
Hardness: 7 Mohs; Color: Clear to light smoky/brownish; Luster: Vitreous/glassy; Structure: Hexagonal; Cleavage: None/Conchoidal fracture; Specific gravity: 2.65
Formation & geological history
Formed by the precipitation of mineral-rich water in rock cavities, often in volcanic geodes or sedimentary veins, typically during the Cenozoic era or older.
Uses & applications
Used primarily for metaphysical collecting, jewelry making, and home decor specimens.
Geological facts
The word 'drusy' refers to a coating of fine crystals on a rock surface; it creates a sugar-like glittering effect that is highly prized in modern artisan jewelry.
Field identification & locations
Identify by the presence of small, sparkling pyramidal crystal terminations covering a host rock; look for it in volcanic regions or within limestone cavities.
