Rock Identifier
Green Aventurine (Quartz with Fuchsite inclusions (SiO2)) — mineral
mineral

Green Aventurine

Quartz with Fuchsite inclusions (SiO2)

Hardness: 7 Mohs scale. Color: Translucent to opaque green with shimmering metallic specks (aventurescence). Luster: Vitreous to waxy. Crystal structure: Hexagonal/Trigonal (microcrystalline). No cleavage. Specific gravity: 2.63 - 2.65.

Hardness
7 Mohs scale
Luster
Vitreous to waxy
Identified More mineral
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Physical properties

Hardness: 7 Mohs scale. Color: Translucent to opaque green with shimmering metallic specks (aventurescence). Luster: Vitreous to waxy. Crystal structure: Hexagonal/Trigonal (microcrystalline). No cleavage. Specific gravity: 2.63 - 2.65.

Formation & geological history

Formed in magmatic and metamorphic rocks where silica crystallizes along with mica inclusions. The green color usually comes from fuchsite (a chrome-rich mica) trapped within the quartz matrix. Most deposits occur in post-Precambrian formations.

Uses & applications

Extensively used for ornamental carvings, jewelry beads, tumbled pocket stones, and architectural accents. In the metaphysical community, it is popular as a stone of prosperity.

Geological facts

The name 'Aventurine' comes from the Italian word 'a ventura', meaning 'by chance', originally referring to the accidental discovery of aventurine glass or 'goldstone' in the 18th century, which looks similar to this natural stone.

Field identification & locations

Identified by its distinctive grainy texture and shimmering mica inclusions. It is most commonly found in India (the largest producer), Brazil, and Russia. Collectors should look for the 'aventurescence' effect when rotated under light.