Green Aventurine

Physical Properties

Hardness: 7 (Mohs); Color: Pale to dark green with 'aventurescence'; Luster: Vitreous to waxy; Crystal structure: Hexagonal (trigonal); Specific Gravity: 2.6-2.7

Formation & Geological History

Formed in metamorphic rocks (quartzite) through the cooling of magma or hydrothermal activity where mica (fuchsite) particles align to create a shimmering effect.

Uses & Applications

Used widely for ornamental carvings, tumbled stones, jewelry (beads, cabochons), and as a popular stone for meditation and energy work collections.

Geological Facts

The name 'Aventurine' comes from the Italian 'a ventura,' meaning 'by chance,' referencing the accidental discovery of aventurine glass in the 18th century.

Field Identification & Locations

Identify by its characteristic green color and shimmering mica inclusions (glittery specks) when rotated under light. Commonly found in India, Brazil, and Russia.

Identified on: 4/27/2026

Mode: Standard