mineral

Green Aventurine

Aventurine Quartz (SiO2 with Fuchsite inclusions)

Hardness: 7 on Mohs scale; Color: Green with aventurescence (shimmer); Luster: Vitreous to waxy; Crystal structure: Trigonal/Hexagonal; Cleavage: None; Specific gravity: 2.64-2.69.

Hardness: 7 on Mohs scale
Color: Green with aventurescence (shimmer)
Luster: Vitreous to waxy

Identified June 8, 2026More mineral →

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Physical properties

Hardness: 7 on Mohs scale; Color: Green with aventurescence (shimmer); Luster: Vitreous to waxy; Crystal structure: Trigonal/Hexagonal; Cleavage: None; Specific gravity: 2.64-2.69.

Formation & geological history

Formed in magmatic and metamorphic environments through the crystallization of silica-rich solutions. The green color and characteristic shimmer (aventurescence) are caused by platy inclusions of green chromium-rich mica called fuchsite.

Uses & applications

Extensively used for lapidary work, jewelry (beads, cabochons), ornamental carvings, stone massage therapy, and as a popular specimen for collectors interested in metaphysical properties.

Geological facts

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

Field identification & locations

Identified by its distinctive speckled green appearance and the way light reflects off internal mica flakes. Found commonly in India, Brazil, Russia, and Tanzania. To identify in the field, check for hardness and the presence of sparkling internal inclusions.

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