mineral
Green Aventurine
Silicon dioxide with Fuchsite inclusions (SiO2 + K(Al,Cr)2AlSi3O10(OH)2)
AI-generated identification · may be incorrectHardness: 6.5-7 on Mohs scale; Color: Pale to dark green with a shimmering effect; Luster: Vitreous to waxy; Crystal Structure: Trigonal (hexagonal); Cleavage: None; Specific Gravity: 2.64-2.69
- Hardness
- 6
- Color
- Pale to dark green with a shimmering effect
- Luster
- Vitreous to waxy
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Physical properties
Hardness: 6.5-7 on Mohs scale; Color: Pale to dark green with a shimmering effect; Luster: Vitreous to waxy; Crystal Structure: Trigonal (hexagonal); Cleavage: None; Specific Gravity: 2.64-2.69
Formation & geological history
Formed in igneous and metamorphic rocks through the crystallization of silica-rich solutions. The green color and 'aventurescence' (shimmer) are caused by tiny inclusions of green chrome-mica known as fuchsite.
Uses & applications
Commonly used for jewelry (cabochons, beads), decorative carvings, polished stones for metaphysical collecting, and occasionally as a facing stone in construction.
Geological facts
Green aventurine is known as the 'Stone of Opportunity.' It is often mistaken for jade, but its characteristic internal shimmer (aventurescence) distinguishes it from real jadeite or nephrite.
Field identification & locations
Look for a grainy quartz texture with internal sparkly glitter-like inclusions. It is frequently found in India, Brazil, Russia, and Tanzania. Collectors often find it as tumbled or water-worn stones.
