Mineral Species: Silicates
Chemical Formula: (K,Na)3(Fe,Mn)7Ti2Si8(O,OH)31
Mohs Scale Hardness: 3
Location: Primarily Russia
Typical Appearance: Bronze - Yellow or Blue - Grey blades
Mineral Species: Silicates
Chemical Formula: (K,Na)3(Fe,Mn)7Ti2Si8(O,OH)31
Mohs Scale Hardness: 3
Location: Primarily Russia
Typical Appearance: Bronze - Yellow or Blue - Grey blades