
mineral
Green Aventurine in Host Rock
SiO2 (Quartz with Fuchsite inclusions)
Hardness: 7 Mohs; Color: Pale green with silvery reflections; Luster: Vitreous to waxy; Crystal Structure: Trigonal/Hexagonal; Lack of cleavage; Grainy texture.
- Hardness
- 7 Mohs
- Color
- Pale green with silvery reflections
- Luster
- Vitreous to waxy
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Physical properties
Hardness: 7 Mohs; Color: Pale green with silvery reflections; Luster: Vitreous to waxy; Crystal Structure: Trigonal/Hexagonal; Lack of cleavage; Grainy texture.
Formation & geological history
Metamorphic mineral formed in magmatic or hydrothermal veins where chromium-rich mica (fuchsite) occurs during the crystallization of quartz, often millions of years old.
Uses & applications
Commonly used for lapidary work, jewelry (beads and cabochons), ornamental carvings, and popular in the metaphysical community.
Geological facts
The name 'Aventurine' comes from the Italian 'a ventura,' meaning 'by chance,' referencing the serendipitous discovery of aventurine glass.
Field identification & locations
Identified in the field by its distinct green sparkle (aventurescence); commonly found in Brazil, India, Russia, and Tanzania. Found within rough quartz-heavy veins.
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