mineral

Green Aventurine

Silicon Dioxide (SiO2) with Chromium-rich Fuchsite mica

AI-generated identification · may be incorrect

Hardness: 7 Mohs; Color: Pale to dark green; Luster: Vitreous to waxy; Crystal structure: Trigonal; Cleavage: None; Specific gravity: 2.64-2.69; Notable for its 'aventurescence' (shimmer) caused by platy inclusions.

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

Identified May 19, 2026More mineral →

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Physical properties

Formation & geological history

Metamorphic or igneous origin, typically formed in quartzites or magmatic environments where mica inclusions are captured during crystal growth. Significant deposits are found in Precambrian metamorphic terrains.

Uses & applications

Extensively used for ornamental carvings, beads, cabochons for jewelry, and as a popular 'healing stone' in metaphysical collections.

Geological facts

The name 'Aventurine' comes from the Italian 'a ventura,' meaning 'by chance,' originally referring to the accidental discovery of goldstone glass in the 18th century which this mineral resembles.

Field identification & locations

Identify by its characteristic green color and shimmering quality under direct light. Commonly found in India, Brazil, and Russia. Unlike jade, it will scratch glass easily.