mineral

Green Aventurine

Silicon Dioxide (Quartz with Fuchsite inclusions) - SiO2

Hardness: 6.5-7 on Mohs scale; Color: Green with aventurescence (shimmer); Luster: Vitreous to waxy; Crystal Structure: Trigonal; Cleavage: None (conchoidal fracture); Specific Gravity: 2.64-2.69.

Hardness: 6
Color: Green with aventurescence (shimmer)
Luster: Vitreous to waxy

Identified June 15, 2026More mineral →

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Physical properties

Hardness: 6.5-7 on Mohs scale; Color: Green with aventurescence (shimmer); Luster: Vitreous to waxy; Crystal Structure: Trigonal; Cleavage: None (conchoidal fracture); Specific Gravity: 2.64-2.69.

Formation & geological history

Formed primarily in metamorphic environments. It is a variety of quartzite where minute inclusions of green mica (fuchsite) are aligned to create a shimmering effect known as aventurescence. Most deposits are millions of years old, found in metamorphic rock beds.

Uses & applications

Extensively used for lapidary work, jewelry (beads, cabochons), ornamental figurines, and as a popular stone for chakra healing and crystal collecting.

Geological facts

Aventurine is known as the 'Stone of Opportunity.' Its name is derived from the Italian 'a ventura' (by chance), referring to the accidental discovery of aventurine glass in the 18th century, which the natural stone resembles.

Field identification & locations

Identify by its distinct grainy, sugary texture and characteristic metallic shimmer when rotated under light. Commonly found in India, Brazil, Russia, and Austria. Useful for beginner collectors due to its availability and hardness.

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