mineral

Green Aventurine (Tumbled)

Silicon Dioxide with Fuchsite Inclusion (SiO2 + K(Al,Cr)2(AlSi3O10)(OH)2)

Hardness: 6.5 to 7 on the Mohs scale. Color: Bright light green to translucent yellowish-green with shimmering inclusions (aventurescence). Luster: Vitreous to waxy. Crystal System: Trigonal. Cleavage: None (conchoidal fracture). Specific Gravity: 2.64-2.69.

Hardness: 6
Luster: Vitreous to waxy

Identified July 24, 2026More mineral →

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Physical properties

Formation & geological history

Formed in metamorphic rock environments or in hydrothermal veins where silica-rich fluids crystallize along with tiny flakes of green chromium-rich mica (fuchsite).

Uses & applications

Popularly used as a decorative stone, tumbled pocket stone, cabochons for jewelry, carvings, and in crystal healing practices.

Geological facts

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

Field identification & locations

Recognized by its signature shimmering optical effect called aventurescence caused by tiny embedded plate-like mineral inclusions. Commonly found in India, Brazil, Russia, and South Africa.

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