mineral

Green Aventurine

SiO2 (Quartz with Fuchsite inclusions)

Hardness: 7 Mohs scale; Color: Dull to waxy green with sparkling inclusions; Luster: Vitreous to waxy; Crystal structure: Trigonal (Hexagonal); Cleavage: None (conchoidal fracture); Specific gravity: 2.64-2.69.

Hardness: 7 Mohs scale
Color: Dull to waxy green with sparkling inclusions
Luster: Vitreous to waxy

Identified June 3, 2026More mineral →

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Physical properties

Formation & geological history

Formed in metamorphic environments where quartz-rich rocks undergo high pressure and heat, allowing mica minerals like chromium-rich fuchsite to incorporate into the silicate structure.

Uses & applications

Primarily used for lapidary work, jewelry (beads, cabochons), small carvings, and highly popular in the metaphysical and gemstone collecting market.

Geological facts

The name 'Aventurine' comes from the Italian word 'a ventura', meaning 'by chance', originally referring to the accidental discovery of aventurine glass (goldstone) in the 18th century which looks similar to this natural stone.

Field identification & locations

Identify in the field by its distinct green color and 'aventurescence' (the internal glitter caused by light reflecting off mica). It is commonly found in India, Brazil, and parts of Russia. Collectors should look for even color distribution and a strong glimmer.

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