mineral

Green Adventurine

SiO2 (Silicon Dioxide with inclusions of Fuchsite mica)

Hardness: 6.5-7 Mohs; Color: Light to dark green; Luster: Vitreous to waxy; Structure: Hexagonal (trigonal); Cleavage: None (conchoidal fracture); Translucency: Translucent to opaque.

Hardness: 6
Color: Light to dark green
Luster: Vitreous to waxy

Identified May 10, 2026More mineral →

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Physical properties

Hardness: 6.5-7 Mohs; Color: Light to dark green; Luster: Vitreous to waxy; Structure: Hexagonal (trigonal); Cleavage: None (conchoidal fracture); Translucency: Translucent to opaque.

Formation & geological history

Metamorphic process; aventurescence is caused by inclusions of chrome-bearing mica (fuchsite) during the recrystallization of quartz. Common in metamorphosed areas.

Uses & applications

Primarily used in jewelry (earrings, beads, cabochons), ornamental carvings, and 'healing' stone collections.

Geological facts

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

Field identification & locations

Identified by its characteristic 'aventurescence' (metallic glisten) and green color. Often found in India, Brazil, and Russia. Collectors look for even color distribution and strong shimmer.

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