mineral

Green Aventurine

SiO2 (Silicon Dioxide with Fuchsite inclusions)

Hardness: 7 Mohs; Color: Light to dark green; Luster: Vitreous to waxy; Crystal Structure: Hexagonal/Trigonal; Cleavage: None/Conchoidal fracture; Specific Gravity: 2.64-2.69. It is characterized by 'aventurescence' (a metallic glitter).

Hardness: 7 Mohs
Color: Light to dark green
Luster: Vitreous to waxy

Identified June 28, 2026More mineral →

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Physical properties

Formation & geological history

Forms primarily in metamorphic rocks like quartzite where mica inclusions (Fuchsite) provide the green coloration. It is formed under high temperature and pressure during regional metamorphism.

Uses & applications

Widely used for ornamental carvings, tumble stones, decorative figurines, and jewelry beads and cabochons. It is also used in metaphysical practices.

Geological facts

The name 'Aventurine' comes from the Italian 'a ventura,' meaning 'by chance,' and was originally applied to a man-made glass accidentally created in Venice. This mineral is often mistaken for jade.

Field identification & locations

Identify in the field by its green color and the presence of tiny, shimmering mica flakes inside. It is commonly found in India, Brazil, Russia, and Austria. Collectors should look for even color distribution and strong shimmer.

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Mineral

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