Mineral

Green Aventurine

Silicon Dioxide (SiO2) with inclusions of Fuchsite

Hardness: 7 on the Mohs scale. Color: Translucent to opaque green with a shimmering effect (aventurescence). Luster: Vitreous to waxy. Crystal Structure: Hexagonal (Trigonal). Cleavage: None. Specific Gravity: 2.64–2.69.

Hardness: 7 on the Mohs scale
Luster: Vitreous to waxy

Identified March 26, 2026More mineral →

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Physical properties

Formation & geological history

Formed in metamorphic environments where quartz-rich sediments are subjected to heat and pressure. The green color comes from inclusions of tiny green fuchsite mica. While quartz is found across geological ages, primary aventurine deposits are often associated with Precambrian formations.

Uses & applications

Predominantly used for ornamental purposes, including figurines, jewelry (beads, cabochons), and tumbled stones. Also popular in metaphysical practices as a 'stone of prosperity.'

Geological facts

The shimmering effect, known as aventurescence, is caused by light reflecting off platy mineral inclusions within the quartz. Its name is derived from the Italian 'a ventura,' meaning 'by chance,' originally referring to the discovery of aventurine glass in the 18th century.

Field identification & locations

Identify by its characteristic green color and internal shimmering flakes that distinguish it from green jade or jadeite. Commonly found in India (the largest producer), Brazil, and Russia. For collectors, look for high translucency and uniform distribution of mica flakes.

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