mineral

Green Aventurine

Silicon Dioxide (SiO2) with inclusions of Fuchsite

AI-generated identification · may be incorrect

Hardness: 7 Mohs; Color: Pale to medium green; Luster: Vitreous to waxy; Crystal structure: Hexagonal/Trigonal; Specific Gravity: 2.64-2.69; Shimmering effect known as aventurescence.

Hardness: 7 Mohs
Color: Pale to medium green
Luster: Vitreous to waxy

Identified July 19, 2026More mineral →

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Physical properties

Hardness: 7 Mohs; Color: Pale to medium green; Luster: Vitreous to waxy; Crystal structure: Hexagonal/Trigonal; Specific Gravity: 2.64-2.69; Shimmering effect known as aventurescence.

Formation & geological history

Formed in metamorphic rocks and igneous veins when mica inclusions (Fuchsite) align within the quartz structure during crystallization.

Uses & applications

Used primarily for jewelry, tumbled stones, ornamental carvings, clock faces, and as a popular meditation or 'luck' stone in alternative healing.

Geological facts

The name comes from the Italian 'a ventura,' meaning 'by chance,' originally referring to the accidental discovery of aventurine glass in the 18th century. It is known as the 'Stone of Opportunity.'

Field identification & locations

Look for a translucent to opaque quartz with visible internal speckles or a shimmering sheen. It is commonly found in India, Brazil, and Russia. Unlike glass, it will not scratch easily with a steel blade.