Rock Identifier
Green Aventurine (Aventurine Quartz (SiO2 with Fuchsite inclusions)) — mineral
mineral

Green Aventurine

Aventurine Quartz (SiO2 with Fuchsite inclusions)

Hardness: 6.5-7 (Mohs scale); Color: Silvery-green to deep forest green; Luster: Vitreous to waxy with aventurescence (shimmer); Crystal Structure: Trigonal (hexagonal system); Cleavage: None; Specific Gravity: 2.64-2.69

Hardness
6
Color
Silvery-green to deep forest green
Luster
Vitreous to waxy with aventurescence (shimmer)
Identified More mineral

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Physical properties

Hardness: 6.5-7 (Mohs scale); Color: Silvery-green to deep forest green; Luster: Vitreous to waxy with aventurescence (shimmer); Crystal Structure: Trigonal (hexagonal system); Cleavage: None; Specific Gravity: 2.64-2.69

Formation & geological history

Formed in metamorphic rocks (schist) and certain igneous rocks through hydrothermal processes. The green color and shimmer are caused by inclusions of chromium-rich mica called fuchsite. Geological age varies by deposit location.

Uses & applications

Commonly used for ornamental carvings (including figurines), jewelry cabochons, beads, and as decorative gravel. It is also highly popular in the metaphysical and crystal collecting communities.

Geological facts

The name 'Aventurine' comes from the Italian 'a ventura', meaning 'by chance', referring to the chance discovery of aventurine glass or 'goldstone' in the 18th century, which looks similar.

Field identification & locations

Identify by its characteristic green color and 'aventurescence' (a metallic glitter caused by flat mineral inclusions). It is commonly found in India, Brazil, and parts of Russia. This specific specimen is an ornamental carving of an elephant.