mineral

Green Aventurine

Silicon Dioxide (Quartz with Fuchsite inclusions) - SiO2

Hardness: 7 on Mohs scale. Color: Translucent to opaque medium green with shimmering or glistening effect (aventurescence). Luster: Vitreous to waxy. Crystal structure: Trigonal (microcrystalline quartz/quartzite). Cleavage: None. Specific gravity: 2.64-2.69.

Hardness: 7 on Mohs scale
Luster: Vitreous to waxy

Identified July 27, 2026More mineral →

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Physical properties

Formation & geological history

Formed through hydrothermal processes or metamorphism, where quartz recrystallizes in the presence of chromium-bearing fuchsite mica, giving it its distinct green color and sparkling inclusions.

Uses & applications

Popularly used for tumbled stones, decorative carvings, beads, cabochons, and gemstone jewelry. Highly valued in metaphysical communities as a stone of luck and opportunity.

Geological facts

The name 'aventurine' derives from the Italian word 'a ventura', meaning 'by chance', originally referring to Italian aventurine glass (goldstone) created accidentally.

Field identification & locations

Identified by its distinctive pale-to-medium green color and subtle sparkling quality (aventurescence) caused by microscopic mica flakes within the quartz matrix. Major sources include India, Brazil, Russia, and South Africa.

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