mineral

Green Aventurine

Silicon Dioxide (SiO2) with Fuchsite inclusions

Hardness: 6.5-7 (Mohs scale); Color: Pale to dark green with a shimmering effect; Luster: Vitreous to waxy; Crystal structure: Trigonal; Specific gravity: 2.64-2.69

Hardness: 6
Color: Pale to dark green with a shimmering effect
Luster: Vitreous to waxy

Identified February 22, 2026More mineral →

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Physical properties

Hardness: 6.5-7 (Mohs scale); Color: Pale to dark green with a shimmering effect; Luster: Vitreous to waxy; Crystal structure: Trigonal; Specific gravity: 2.64-2.69

Formation & geological history

Formed in metamorphic environments where quartz-rich sediments or rocks undergo heat and pressure, allowing Chromium-rich mica (Fuchsite) to integrate into the quartz matrix.

Uses & applications

Primarily used in jewelry (cabochons, beads), decorative carvings, aquarium gravel, and within the metaphysical community as a 'stone of opportunity'.

Geological facts

The name Aventurine comes from the Italian 'a ventura', meaning 'by chance', originally referring to accidental discoveries of Italian glass that shared its signature shimmering 'aventurescence'.

Field identification & locations

Identify by its characteristic sparkling shimmer when rotated under light. Commonly found in India, Brazil, and Russia. Collectors should look for even color distribution and strong aventurescence.

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