MnCO3Trigonal
Rhodochrosite
MnCO3
CarbonatesChemical FormulaMnCO3
Crystal SystemTrigonal
Mohs Hardness4
Specific Gravity3.7
ColorPink, red, brown
LusterVitreous to pearly
StreakWhite
CleavageThree directions
FractureConchoidal to uneven
Occurrence
Found in hydrothermal veins. Beautiful pink color. Argentina national stone.