mineral

Green Aventurine

Silicon Dioxide with Fuchsite (SiO2)

AI-generated identification · may be incorrect

Hardness: 7 on the Mohs scale; Color: Translucent to opaque light green; Luster: Vitreous to waxy with micro-glimmer (aventurescence); Crystal structure: Trigonal (microcrystalline quartz); Cleavage: None.

Hardness: 7 on the Mohs scale
Color: Translucent to opaque light green
Luster: Vitreous to waxy with micro-glimmer (aventurescence)

Identified July 22, 2026More mineral →

Explore Green Aventurine in the encyclopedia →

Identify your own rocks.

Get a report just like this from any photo, free.

App Store Google Play

Physical properties

Formation & geological history

Formed in hydrothermal veins, pegmatites, and metamorphic quartzites where mica minerals, particularly chromium-rich fuchsite, crystallize within quartz, creating its characteristic shimmering green color.

Uses & applications

Widely used in ornamental carvings, beads, polished cabochons, polished eggs, tumbled stones, costume jewelry, and crystal healing practices.

Geological facts

The name 'aventurine' comes from the Italian 'a ventura', meaning 'by chance', referencing the accidental discovery of aventurine glass (goldstone) in Italy during the 18th century.

Field identification & locations

Identified by its distinctive pale-to-medium green translucent body and tiny reflective mica flecks inside. Major commercial sources include India, Brazil, Russia, and South Africa.