mineral
Green Aventurine
Quartz (SiO2) with fuchsite inclusions
Hardness of 7 on the Mohs scale, green color ranging from pale to dark green, vitreous to greasy luster, trigonal crystal system, conchoidal fracture, specific gravity of 2.65
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Physical properties
Hardness of 7 on the Mohs scale, green color ranging from pale to dark green, vitreous to greasy luster, trigonal crystal system, conchoidal fracture, specific gravity of 2.65
Formation & geological history
Formed in metamorphic environments, particularly quartz-rich schists and gneisses, where chromium-rich muscovite (fuchsite) inclusions develop during hydrothermal activity.
Uses & applications
Used widely in gemstone jewelry, carved figurines, decorative objects, and crystal healing.
Geological facts
The sparkling or shimmering effect seen in aventurine is known as aventurescence, caused by tiny flat mineral inclusions reflecting light.
Field identification & locations
Can be identified by its characteristic green color combined with a shimmering, metallic glitter produced by tiny fuchsite flakes embedded within the quartz matrix. Commonly found in India, Brazil, Russia, and the United States.
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