mineral
Green Aventurine
Silicon Dioxide (SiO2) with Fuchsite inclusions
AI-generated identification · may be incorrectHardness: 7 Mohs; Color: Speckled or shimmering green; Luster: Vitreous to waxy with aventurescence; Crystal structure: Trigonal; Specific gravity: 2.64-2.69
- Hardness
- 7 Mohs
- Color
- Speckled or shimmering green
- Luster
- Vitreous to waxy with aventurescence
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Physical properties
Hardness: 7 Mohs; Color: Speckled or shimmering green; Luster: Vitreous to waxy with aventurescence; Crystal structure: Trigonal; Specific gravity: 2.64-2.69
Formation & geological history
Formed in metamorphic rocks and magmatic environments where mica and quartz recrystallize together. Its green color is typically caused by platy inclusions of chromium-rich mica called fuchsite.
Uses & applications
Commonly used for ornamental carvings, polished stones, cabochon jewelry, and metaphysical collections.
Geological facts
The name 'Aventurine' comes from the Italian 'a ventura', meaning 'by chance', originally referring to accidental aventurine glass discovery in the 18th century.
Field identification & locations
Identify by its characteristic 'aventurescence' (a metallic glitter) caused by mica inclusions. Frequently found in India, Brazil, and Russia.
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