mineral

Green Aventurine

Aventurine Quartz (SiO2 with inclusions of Fuchsite mica)

Mohs hardness of 6.5-7. Material is pale green with a dull to vitreous luster. Features a characteristic 'aventurescence' (shimmer) caused by platy inclusions of green fuchsite mica. Crystal system: Hexagonal (Trigonal). Specific gravity: 2.64-2.69.

Identified June 3, 2026More mineral →

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Physical properties

Formation & geological history

Formed primarily in metamorphic environments where silica-rich fluids cool and crystallize, trapping mica flakes. Common in ancient crystalline basement rocks and pegmatites.

Uses & applications

Extensively used for lapidary work, jewelry (beads, cabochons), ornamental carvings, and widely sold as a 'healing stone' in the metaphysical community. Often used in landscaping and aquariums.

Geological facts

The name 'Aventurine' is derived from the Italian 'a ventura', meaning 'by chance', originally referring to the accidental discovery of aventurine glass (goldstone) in the 18th century before the mineral was named.

Field identification & locations

Identified in the field by its green color combined with distinct inner shimmering flakes. It is commonly found in India (the largest producer), Brazil, and Russia. Collectors look for evenness of color and intensity of the shimmer.

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