mineral

Green Aventurine

Aventurine Quartz (SiO2 with Fuchsite inclusions)

AI-generated identification · may be incorrect

Hardness: 7 on Mohs scale; Color: Green with aventurescence (shimmer); Luster: Vitreous; Crystal Structure: Trigonal/Hexagonal; Cleavage: None; Specific Gravity: 2.64–2.69.

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

Identified June 4, 2026More mineral →

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Physical properties

Hardness: 7 on Mohs scale; Color: Green with aventurescence (shimmer); Luster: Vitreous; Crystal Structure: Trigonal/Hexagonal; Cleavage: None; Specific Gravity: 2.64–2.69.

Formation & geological history

Formed in metamorphic rocks and magmatic environments. The signature green color and shimmer are caused by platy inclusions of green fuchsite mica within the quartz matrix. Found in Precambrian and later geological formations.

Uses & applications

Used extensively in jewelry (beads, cabochons), ornamental carvings, figurines, and as a popular stone for crystal healing and collecting.

Geological facts

The name 'aventurine' comes from the Italian 'a ventura', meaning 'by chance', originally referring to the accidental discovery of aventurine glass. The shimmer effect is specifically called aventurescence.

Field identification & locations

Identify by its characteristic green color and the 'glittery' speckles seen under light. Commonly found in India, Brazil, Russia, and Austria. Unlike dyed quartz, its color is usually grainy rather than concentrated in cracks.