mineral

Green Aventurine

Aventurine Quartz (SiO2 + Fuchsite inclusions)

Hardness: 7 (Mohs scale), Color: Pale to deep green with a shimmering effect (aventurescence), Luster: Vitreous to waxy, Crystal structure: Hexagonal (trigonal), Cleavage: None/Conchoidal fracture, Specific gravity: 2.64-2.69

Identified March 11, 2026More mineral →

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Physical properties

Formation & geological history

Formed in metamorphic rocks and magmatic environments through the crystallization of silica. The characteristic green color and shimmer are caused by tiny plate-like inclusions of green chrome-mica (fuchsite). These formations are often found in Precambrian or Paleozoic metamorphic terrains.

Uses & applications

Commonly used for lapidary work, cabochons, beads, and stone carvings. In industry, it is occasionally used as an ornamental stone in construction (veneers/tiles). It is highly popular in the metaphysical and gemstone collecting communities.

Geological facts

The name 'aventurine' comes from the Italian 'a ventura,' meaning 'by chance,' originally referring to the 18th-century discovery of Goldstone (aventurine glass). Green is the most common color, but it also occurs in blue, red, or orange depending on the mineral inclusions.

Field identification & locations

Identify it in the field by its characteristic 'platy' shimmer when rotated in the light and its lack of clear cleavage. It is commonly found in India, Brazil, Russia, and Tanzania. Collectors look for even distribution of color and a strong 'aventurescent' sparkle.

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