mineral

Green Aventurine

Quartz with Fuchsite inclusions (SiO2)

AI-generated identification · may be incorrect

Hardness: 6.5-7 on Mohs scale; Color: Green to bluish-green with sparkling flecks; Luster: Vitreous to waxy; Crystal structure: Trigonal (microcrystalline); Cleavage: None; Specific gravity: ~2.65.

Hardness: 6
Color: Green to bluish-green with sparkling flecks
Luster: Vitreous to waxy

Identified July 23, 2026More mineral →

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Physical properties

Hardness: 6.5-7 on Mohs scale; Color: Green to bluish-green with sparkling flecks; Luster: Vitreous to waxy; Crystal structure: Trigonal (microcrystalline); Cleavage: None; Specific gravity: ~2.65.

Formation & geological history

Formed in metamorphic or igneous environments where quartz crystallizes along with tiny mica inclusions (specifically fuchsite, a chromium-rich muscovite mica) that give it its green color and aventurescence.

Uses & applications

Popular for lapidary work, jewelry making, polished cabochons, carvings, and metaphysical/crystal collecting.

Geological facts

The characteristic shimmering effect seen in aventurine is calledaventurescence, caused by light reflecting off tiny platy mineral inclusions within the quartz matrix.

Field identification & locations

Look for a translucent to opaque green microcrystalline quartz body with fine glittery flecks under light. Major commercial sources include India, Brazil, Russia, and Madagascar.