mineral
Green Aventurine
Quartz containing Fuchsite (SiO2 + K(Al,Cr)2AlSi3O10(OH)2)
Hardness: 7 (Mohs); Color: Green; Luster: Vitreous to waxy; Crystal structure: Trigonal; Cleavage: None; 特点: Aventurescence (shimmering effect caused by platy mineral inclusions).
- Hardness
- 7 (Mohs)
- Color
- Green
- Luster
- Vitreous to waxy
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Physical properties
Hardness: 7 (Mohs); Color: Green; Luster: Vitreous to waxy; Crystal structure: Trigonal; Cleavage: None; 特点: Aventurescence (shimmering effect caused by platy mineral inclusions).
Formation & geological history
Formed primarily in metamorphic rocks like phyllite and schist, where mica inclusions develop within the quartz matrix through pressure and heat. Commonly associated with magmatic processes in pegmatites.
Uses & applications
Used extensively in jewelry for beads, cabochons, and carvings. Also popular in metaphysical practices, home decor, and as a durable material for small ornamental sculptures.
Geological facts
The name 'Aventurine' comes from the Italian 'a ventura,' meaning 'by chance,' referencing the serendipitous discovery of aventurine glass around 1700. Natural aventurescence in quartz mimics this early glass.
Field identification & locations
Identified by its green color and sandpaper-like internal shimmer when light hits the mica inclusions. Commonly found in India, Brazil, Russia, and Austria. Collectors look for high clarity and strong shimmering effect.
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Schist
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Metamorphic
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metamorphic
Gypsum (variety Selenite or Alabaster)
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Mineral
Nephrite Jade
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Mineral/Rock
Granite
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