Rhodochrosite
Gemstone
>
Rhodochrosite is a manganese carbonate mineral with chemical composition MnCO₃. In its pure form, it is typically a rose-red colour, but it can also be shades of pink to pale brown. It streaks white, and its Mohs hardness varies between 3.5 and... Wikipedia
Hardness (Mohs hardness scale): 3.5 – 4
Chemical formula: MnCO₃
Luster: Vitreous
Categories: Carbonate minerals
Cleavage: On, perfect; parting on
Crystal class: Hexagonal scalenohedral (3m); H-M symbol: (3 2/m)
Show more
Show less