mineral

Green Aventurine

Silicon Dioxide (Quartz with Fuchsite inclusions) - SiO2

Hardness: 6.5 - 7 on Mohs scale. Color: Deep to medium forest green. Luster: Vitreous to waxy. Crystal Structure: Hexagonal (trigonal) microcrystalline. Features a distinctive shimmering optical effect known as aventurescence caused by tiny inclusions of green fuchsite mica.

Hardness: 6
Color: Deep to medium forest green
Luster: Vitreous to waxy

Identified July 23, 2026More mineral →

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Physical properties

Formation & geological history

Formed in metamorphic and igneous geological environments where silica-rich fluids crystallize at medium temperatures with microscopic fuchsite mica flakes interspersed within the quartz matrix.

Uses & applications

Widely used as an ornamental stone, for tumbled gemstones, beads, carvings, cabochons in jewelry, and decorative home decor objects.

Geological facts

The name 'Aventurine' derives from the Italian 'a ventura', meaning 'by chance', referencing the accidental discovery of aventurine glass (goldstone) in the 18th century, which natural aventurine resembles.

Field identification & locations

Identified by its characteristic green color combined with a metallic or shimmering flecked appearance (aventurescence). Prominently found in India, Brazil, Russia, and Madagascar. Popular among beginner mineral collectors for its vibrant color and shine.

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