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

Green Aventurine

Aventurine Quartz (SiO2 with inclusions of Fuchsite)

Hardness: 6.5-7.0 (Mohs scale); Color: Pale to medium green with occasional white patches; Luster: Vitreous to waxy; Crystal Structure: Trigonal (hexagonal); Cleavage: None; Specific Gravity: 2.63-2.69

Hardness
6
Color
Pale to medium green with occasional white patches
Luster
Vitreous to waxy
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Physical properties

Hardness: 6.5-7.0 (Mohs scale); Color: Pale to medium green with occasional white patches; Luster: Vitreous to waxy; Crystal Structure: Trigonal (hexagonal); Cleavage: None; Specific Gravity: 2.63-2.69

Formation & geological history

Formed in metamorphic rocks and magmatic environments where tectonic pressure and heat allow for the recrystallization of quartz containing mica inclusions. Often found in deposits dating from the Precambrian to Cenozoic eras.

Uses & applications

Primarily used for ornamental carvings, cabochons for jewelry (beads, pendants), landscaping stone, and as a popular 'healing crystal' in the metaphysical community.

Geological facts

The name 'Aventurine' comes from the Italian 'a ventura,' meaning 'by chance.' This refers to the 18th-century discovery of aventurine glass (goldstone), which accidentally mimics the natural shimmering effect of this stone known as aventurescence.

Field identification & locations

Identify in the field by its green color and the presence of tiny, shimmering metallic inclusions (fuchsite) when rotated under light. Common locations include India, Brazil, Russia, and Madagascar. It can be distinguished from Jade by its lower density and shimmering flakes.

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