mineral
Yellow Aventurine
Silicon Dioxide (SiO2) with inclusions
Hardness: 7 Mohs; Color: Pale yellow to golden; Luster: Vitreous to waxy; Crystal structure: Trigonal/Hexagonal (Microcrystalline); Specific gravity: 2.64-2.69
- Hardness
- 7 Mohs
- Color
- Pale yellow to golden
- Luster
- Vitreous to waxy
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Physical properties
Hardness: 7 Mohs; Color: Pale yellow to golden; Luster: Vitreous to waxy; Crystal structure: Trigonal/Hexagonal (Microcrystalline); Specific gravity: 2.64-2.69
Formation & geological history
A form of quartzite primarily formed through regional metamorphism or hydrothermal activity. Its yellow hue is caused by inclusions of minerals such as mica or iron oxide.
Uses & applications
Used extensively for lapidary work, jewelry (beads, cabochons), home decor, and collection by mineral enthusiasts.
Geological facts
While green aventurine is the most common variety, yellow aventurine gets its unique appearance from inclusions of muscovite or pyrite. It exhibits 'aventurescence,' which is a metallic glitter or shimmer seen inside the stone.
Field identification & locations
Identify by its characteristic shimmer and quartz-like hardness. It is commonly found in India, Brazil, and parts of Russia. Often confused with yellow jasper, but aventurine is more translucent.
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