mineral

Green Aventurine

Quartz (SiO2) with fuchsite inclusions

AI-generated identification · may be incorrect

Hardness: 7 on the Mohs scale. Color: Light to dark green, sometimes silvery sheen due to mineral inclusions. Luster: Vitreous to greasy. Crystal structure: Trigonal (microcrystalline or massive quartz). Cleavage: None. Specific gravity: 2.65.

Hardness: 7 on the Mohs scale
Luster: Vitreous to greasy

Identified July 29, 2026More mineral →

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Physical properties

Formation & geological history

Formed in metamorphic environments, particularly quartzites and schists, where silica-rich solutions precipitate quartz, incorporating platy minerals like green mica (fuchsite) during regional or contact metamorphism.

Uses & applications

Widely used in the manufacture of ornamental objects, carvings, tumbled stones, and beaded jewelry; also popular among mineral collectors and in crystal healing practices.

Geological facts

The distinctive sparkling or glistening effect seen in aventurine is known as aventurescence, which is caused by tiny reflective inclusions of fuchsite or other minerals trapped inside the quartz matrix during formation.

Field identification & locations

Can be identified by its vitreous green coloration combined with a sparkling, metallic sheen and a hardness that easily scratches glass. Commonly found in India, Brazil, Russia, and Austria.