
mineral
Green Aventurine
Aventurine Quartz (SiO2 with Fuchsite inclusions)
Hardness: 7 (Mohs scale); Color: Light to dark green; Luster: Vitreous to waxy; Crystal structure: Trigonal/Hexagonal; Cleavage: None; Specific gravity: 2.64-2.69; Features aventurescence (a shimmering effect).
- Hardness
- 7 (Mohs scale)
- Color
- Light to dark green
- Luster
- Vitreous to waxy
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Physical properties
Hardness: 7 (Mohs scale); Color: Light to dark green; Luster: Vitreous to waxy; Crystal structure: Trigonal/Hexagonal; Cleavage: None; Specific gravity: 2.64-2.69; Features aventurescence (a shimmering effect).
Formation & geological history
Formed in metamorphic rocks and through hydrothermal activity. The green color is primarily caused by platy inclusions of chromium-rich mica known as Fuchsite. Most specimens are millions of years old.
Uses & applications
Widely used for ornamental objects, carvings, tumbled stones, jewelry beads, and decorative landscaping. It is highly valued in the metaphysical community as a stone of prosperity.
Geological facts
Aventurine gets its name from the Italian 'a ventura,' meaning 'by chance.' This refers to the accidental discovery of aventurine glass in the 18th century, which looks similar to the natural mineral.
Field identification & locations
Identified by its characteristic green color and 'speckled' or shimmering iç-metallic luster when rotated under light. Commonly found in India, Brazil, and Russia. Beginners should look for a sugary texture under magnification.
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