mineral

Green Aventurine

Silicon Dioxide (Quartz with Fuchsite inclusions), SiO2

Hardness: 7 Mohs; Color: Pale to medium green; Luster: Vitreous to waxy; Crystal structure: Trigonal/Hexagonal; Cleavage: None; Specific gravity: 2.64-2.69; Distinctive feature: Aventurescence (shimmer)

Hardness: 7 Mohs
Color: Pale to medium green
Luster: Vitreous to waxy

Identified July 13, 2026More mineral →

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Physical properties

Formation & geological history

Formed in metamorphic rocks and magmatic environments where quartz crystallizes alongside chromium-rich mica (fuchsite), which provides the green pigment and shimmering effect.

Uses & applications

Commonly used for tumbled stones, decorative carvings, beads, and cabochons in jewelry. Also highly valued in metaphysical circles as a 'stone of opportunity'.

Geological facts

The shimmering effect known as aventurescence is caused by platy inclusions of mica. The name 'Aventurine' is derived from the Italian 'a ventura', meaning 'by chance', originally referring to accidental 18th-century glass production.

Field identification & locations

Identify by its pale green color and typical quartz-like fracture. Unlike Green Jade or Nephrite, Aventurine often shows small internal sparkles when rotated under light. Found extensively in India, Brazil, and Russia.

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