mineral
Aventurine
Quartz with fuchsite inclusions (SiO2)
AI-generated identification · may be incorrectHardness of 7 on the Mohs scale, typically green with a shimmering or glittering luster known as aventurescence, and a trigonal crystal structure.
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Physical properties
Hardness of 7 on the Mohs scale, typically green with a shimmering or glittering luster known as aventurescence, and a trigonal crystal structure.
Formation & geological history
Forms hydrothermally within metamorphic quartzites and pegmatites, developing its characteristic metallic sheen from mineral inclusions.
Uses & applications
Widely used for ornamental carvings, polished tumbled stones, and gemstone jewelry.
Geological facts
The shimmering effect is caused by tiny flat inclusions of mica or fuchsite reflecting light.
Field identification & locations
Identify by its translucent green body and distinct sparkly aventurescence; commonly sourced from India, Brazil, and Russia.
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Metamorphic
Sandstone (with potential mineral staining/concretions)
Arenite (SiO2 based)
sedimentary
Tumbled granite
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igneous
Pegmatite with Tourmaline and Quartz
Igneous Pegmatite
igneous
Epidote
Epidote | Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH)
metamorphic
Granite
Granite (Phaneritic intrusive igneous rock)
igneous