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

Green Aventurine

Aventurine Quartz (SiO2 with Fuchsite inclusions)

Hardness: 6.5-7.0 (Mohs scale), Color: Green, Luster: Vitreous to waxy, Crystal Structure: Trigonal (microcrystalline), Cleavage: None, Specific Gravity: 2.64-2.69

Hardness
6
Identified More mineral

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Physical properties

Hardness: 6.5-7.0 (Mohs scale), Color: Green, Luster: Vitreous to waxy, Crystal Structure: Trigonal (microcrystalline), Cleavage: None, Specific Gravity: 2.64-2.69

Formation & geological history

Formed in metamorphic environments where quartz-rich sediments are subjected to high pressure and temperature, causing recrystallization. The green color comes from inclusions of chromium-rich mica called fuchsite.

Uses & applications

Commonly used for lapidary work, jewelry (beads, cabochons), ornamental carvings, and widely sold as a healing stone in metaphysical communities.

Geological facts

The name 'aventurine' derives from the Italian 'a ventura', meaning 'by chance', originally referring to the accidental discovery of aventurine glass around the 18th century.

Field identification & locations

Identify by its 'aventurescence' (a metallic glitter caused by light reflecting off mica inclusions). Commonly sourced from India, Brazil, and Russia. It can be distinguished from Jade by its lower density and distinct sparkly inclusions.