Mineral Species: Quartz
Chemical Formula: SiO2
Mohs Scale Hardness: 6.5 - 7
Location: India, Brazil, China, USA, Australia.
Typical Appearance: Green chalcedony with red inclusions of iron-oxide or red jasper.
Mineral Species: Quartz
Chemical Formula: SiO2
Mohs Scale Hardness: 6.5 - 7
Location: India, Brazil, China, USA, Australia.
Typical Appearance: Green chalcedony with red inclusions of iron-oxide or red jasper.