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

Green Aventurine

Aventurine Quartz (SiO2 with Fuchsite inclusions)

Hardness: 7 on Mohs scale; Color: Dull to translucent green; Luster: Vitreous to waxy with 'aventurescence' (shimmering effect); Crystal structure: Hexagonal (trigonal); Cleavage: None (conchoidal fracture).

Hardness
7 on Mohs scale
Color
Dull to translucent green
Luster
Vitreous to waxy with 'aventurescence' (shimmering effect)
Identified More mineral

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Physical properties

Hardness: 7 on Mohs scale; Color: Dull to translucent green; Luster: Vitreous to waxy with 'aventurescence' (shimmering effect); Crystal structure: Hexagonal (trigonal); Cleavage: None (conchoidal fracture).

Formation & geological history

Forms in metamorphic rocks such as phyllites and schists, or in hydrothermal veins where quartz crystallizes with mica or hematite inclusions. Typically Proterozoic in age depending on the deposit location.

Uses & applications

Commonly used for ornamental carvings, jewelry beads, tumbled pocket stones, and architectural accents. Highly popular in the metaphysical and gemstone collecting community.

Geological facts

The name 'Aventurine' comes from the Italian 'a ventura,' meaning 'by chance,' originally referring to the accidental discovery of goldstone glass in the 18th century which this mineral resembles.

Field identification & locations

Identify by its characteristic green shimmer caused by platy fuchsite mica inclusions. Commonly found in India, Brazil, and Russia. Collectors should look for even color distribution and strong aventurescence.