mineral
Green aventurine (likely), shaped star
Quartz, SiO₂, with green fuchsite inclusions
AI-generated identification · may be incorrectOpaque to translucent pale green, with a vitreous-to-waxy surface; quartz has Mohs hardness 7 and a trigonal crystal structure. The star shape and polish are human-made; the photo does not show diagnostic sparkle clearly.
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Physical properties
Opaque to translucent pale green, with a vitreous-to-waxy surface; quartz has Mohs hardness 7 and a trigonal crystal structure. The star shape and polish are human-made; the photo does not show diagnostic sparkle clearly.
Formation & geological history
A quartz variety colored by tiny mica inclusions, typically formed in metamorphic rocks and quartz veins. The specimen’s geological age cannot be determined from the image.
Uses & applications
Used for carvings, beads, jewelry, and decorative objects; this small shaped piece is primarily ornamental.
Geological facts
Aventurine’s characteristic glitter, called aventurescence, comes from reflective mineral inclusions; green color commonly comes from fuchsite mica.
Field identification & locations
Check for a glassy fracture and subtle glitter under bright light; dyed materials and green glass can resemble aventurine. Green aventurine is found notably in India, Brazil, and Russia.
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