Mineral Species: Silicates
Chemical Formula: SiO2
Mohs Scale Hardness: 5.5 - 6
Location: Australia, Burma, India, Namibia, South Africa, USA, Brazil.
Typical Appearance: Golden to red-brown colour.
Mineral Species: Silicates
Chemical Formula: SiO2
Mohs Scale Hardness: 5.5 - 6
Location: Australia, Burma, India, Namibia, South Africa, USA, Brazil.
Typical Appearance: Golden to red-brown colour.