mineral
Green Aventurine
Aventurine Quartz (SiO2 + Fuchsite inclusions)
Hardness: 7 Mohs; Color: Pale to deep green; Luster: Vitreous to waxy; Crystal structure: Hexagonal (trigonal); Cleavage: None; Specific gravity: 2.64-2.69; Features 'aventurescence' (shimmering effect).
- Hardness
- 7 Mohs
- Color
- Pale to deep green
- Luster
- Vitreous to waxy
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Physical properties
Hardness: 7 Mohs; Color: Pale to deep green; Luster: Vitreous to waxy; Crystal structure: Hexagonal (trigonal); Cleavage: None; Specific gravity: 2.64-2.69; Features 'aventurescence' (shimmering effect).
Formation & geological history
Forms in magmatic and metamorphic environments where silica-rich fluids crystallize. The green color is derived from inclusions of chrome-rich fuchsite mica.
Uses & applications
Extensively used for ornamental carvings, beads, cabochons for jewelry, and as a popular specimen for crystal healing and metaphysical collecting.
Geological facts
The name 'Aventurine' comes from the Italian 'a ventura', meaning 'by chance', originally referring to an 18th-century accidental discovery of aventurine glass (goldstone).
Field identification & locations
Identified by its grainy, sugary texture and characteristic mica-induced shimmer. Commonly found in India, Brazil, and Russia. Used as an affordable alternative to jade.
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