mineral
Green Adventurine
Quartz (SiO2) with Fuchsite inclusions
Hardness: 7 on Mohs scale; Color: Pale to medium green with orangey-brown iron staining; Luster: Vitreous to waxy; Structure: Hexagonal (trigonal); Translucent.
- Hardness
- 7 on Mohs scale
- Color
- Pale to medium green with orangey-brown iron staining
- Luster
- Vitreous to waxy
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Physical properties
Hardness: 7 on Mohs scale; Color: Pale to medium green with orangey-brown iron staining; Luster: Vitreous to waxy; Structure: Hexagonal (trigonal); Translucent.
Formation & geological history
Formed primarily in metamorphic environments where quartz-rich sediments are subjected to heat and pressure, allowing mica (fuchsite) to incorporate into the silicate structure.
Uses & applications
Used extensively in lapidary work, jewelry (beads, cabochons), tumbled stones for collecting, and decorative carvings.
Geological facts
Aventurine is known for its 'aventurescence,' a shimmering effect caused by platy mineral inclusions. While usually green, it can also be found in blue, orange, and red varieties.
Field identification & locations
Identified by its grainy quartz texture and green hue. It is commonly found in India, Brazil, and Russia. Collectors often look for even color distribution and strong shimmering effects.
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