Rock Identifier
Green Aventurine (Aventurine Quartz (SiO2 with Fuchsite inclusions)) — mineral
mineral

Green Aventurine

Aventurine Quartz (SiO2 with Fuchsite inclusions)

Hardness: 7 Mohs; Color: Pale to deep green; Luster: Vitreous to waxy; Crystal structure: Trigonal; Cleavage: None; Specific gravity: 2.64-2.69. Features characteristic 'aventurescence' (shimmer) due to mica inclusions.

Hardness
7 Mohs
Color
Pale to deep green
Luster
Vitreous to waxy
Identified More mineral
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Physical properties

Hardness: 7 Mohs; Color: Pale to deep green; Luster: Vitreous to waxy; Crystal structure: Trigonal; Cleavage: None; Specific gravity: 2.64-2.69. Features characteristic 'aventurescence' (shimmer) due to mica inclusions.

Formation & geological history

Formed in magmatic and metamorphic environments where silica-rich fluids crystallize. The green color and shimmer are typically caused by inclusions of green chrome-mica known as fuchsite.

Uses & applications

Extensively used in lapidary work, jewelry (beads, cabochons), carvings, decorative ornaments, and widely collected as a healing crystal in metaphysical communities.

Geological facts

Aventurine's name is derived from the Italian 'a ventura' meaning 'by chance,' originally referring to the accidental discovery of goldstone (Italian glass) which shares a similar glittery appearance.

Field identification & locations

Identify by its characteristic grainy quartz texture combined with a green shimmer. Commonly found in India, Brazil, Russia, and Austria. Unlike jade, it is more granular and lacks jade's extreme toughness.