mineral

Green Aventurine

Silicon dioxide (SiO2) with fuchsite inclusions

AI-generated identification · may be incorrect

Hardness: 6.5-7 (Mohs scale), Color: Pale to deep green with a shimmering effect (aventurescence), Luster: Vitreous to waxy, Crystal Structure: Trigonal (microcrystalline), Cleavage: None/Conchoidal fracture, Specific Gravity: 2.64-2.69

Hardness: 6

Identified May 18, 2026More mineral →

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Physical properties

Formation & geological history

Formed as a sedimentary or metamorphic rock where quartz is subjected to immense pressure and heat, incorporating flakes of mica (fuchsite) which create the green color and sparkle.

Uses & applications

Used primarily in jewelry (cabochons, beads), decorative carvings, and as a popular stone for mineral collectors and metaphysical practitioners.

Geological facts

The name Aventurine comes from the Italian word 'a ventura', meaning 'by chance', originally referring to accidental glass production that mimicked this stone's shimmering appearance.

Field identification & locations

Identify by its characteristic shimmer or 'spangles' inside the stone caused by mica. Commonly found in India, Brazil, and Russia. It can be distinguished from jade by its lower density and shimmering luster.