mineral

Green Aventurine

Silicon dioxide (SiO2) with Fuchsite inclusions

Hardness: 6.5-7 on Mohs scale; Color: Green (pale to dark); Luster: Vitreous to waxy; Crystal structure: Trigonal (microcrystalline); Cleavage: None; Specific gravity: 2.64-2.69. It displays 'aventurescence,' a shimmering effect caused by platy mineral inclusions.

Hardness: 6
Color: Green (pale to dark)
Luster: Vitreous to waxy

Identified June 5, 2026More mineral →

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Physical properties

Formation & geological history

Formed in metamorphic rocks (phyllites and schists) and occasionally in magmatic environments. The characteristic green color comes from inclusions of chromium-rich mica called fuchsite.

Uses & applications

Commonly used for lapidary work, jewelry (beads, cabochons), carvings, decorative stones, and 'crystal healing' practices. It is also used as an ornamental stone in landscaping or interior design.

Geological facts

Aventurine is known as the 'Stone of Opportunity.' Its name comes from the Italian word 'a ventura,' meaning 'by chance,' originally referring to the 18th-century discovery of aventurine glass (goldstone).

Field identification & locations

Identify by its translucent to opaque green body and sub-metallic glints (shimmering) when rotated under light. Often found in India, Brazil, Russia, and Tanzania. Unlike jade, it will often show tiny mica sparkles.

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