metamorphic
Green Aventurine
Silicon Dioxide (SiO2) with Fuchsite inclusions
Hardness: 6.5-7 on Mohs scale. Color: Green with aventurescence. Luster: Vitreous to waxy. Crystal structure: Hexagonal (trigonal). Cleavage: None. Specific gravity: 2.64-2.69.
- Hardness
- 6
- Color
- Green with aventurescence
- Luster
- Vitreous to waxy
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Physical properties
Hardness: 6.5-7 on Mohs scale. Color: Green with aventurescence. Luster: Vitreous to waxy. Crystal structure: Hexagonal (trigonal). Cleavage: None. Specific gravity: 2.64-2.69.
Formation & geological history
Formed as a result of the metamorphism of quartz-rich sedimentary rocks (sandstone) into quartzite, where mica crystals (fuchsite) impart the green color and metallic glitter known as aventurescence.
Uses & applications
Used widely in ornamental carvings, jewelry (beads, cabochons), holistic practices, and as a decorative stone in fountains or landscaping.
Geological facts
Aventurine is often mistaken for jade due to its color, but its characteristic 'shimmer' or sparkly effect caused by mineral inclusions is its distinguishing feature.
Field identification & locations
Identify in the field by its translucency and the 'glitter' seen under a light. Commonly found in India, Brazil, and Russia. This specimen is carved into a 'cat head' shape.
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