
mineral
Green Aventurine
Aventurine Quartz (SiO2 with inclusions of Fuchsite mica)
AI-generated identification · may be incorrectMohs 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.
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Physical properties
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.
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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