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: Trigonal/Hexagonal; Cleavage: None; Specific Gravity: 2.64-2.69. Displays aventurescence.

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

Identified July 8, 2026More mineral →

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Physical properties

Hardness: 7 Mohs; Color: Pale to medium green; Luster: Vitreous to waxy; Crystal Structure: Trigonal/Hexagonal; Cleavage: None; Specific Gravity: 2.64-2.69. Displays aventurescence.

Formation & geological history

Formed in metamorphic rocks and magmatic environments. It is a form of quartzite containing platy mineral inclusions like green fuchsite mica which provide the color and shimmer.

Uses & applications

Primarily used in jewelry for cabochons, beads, and carvings. Also used as decorative stones in landscaping and aquarium ornaments. Popular in metaphysical collections.

Geological facts

The name Aventurine comes from the Italian 'a ventura', meaning 'by chance', originally referring to accidental discovery of aventurine glass in the 18th century. Most natural green aventurine comes from India.

Field identification & locations

Identify by its characteristic 'aventurescence' (shimmer) caused by mica inclusions. It is harder than glass and lacks the bubble inclusions found in green glass imitations. Common in India and Brazil.