General Information:
Chemical Formula:
Ca(Mn,Mg,Fe++)(CO3)2
Composition:
(Molecular Weight = 205.94 gm)
Calcium 19.46 % Ca
Magnesium 3.54 % Mg
Manganese 16.01 % Mn
Iron 2.71 % Fe
Carbon 11.66 % C
Oxygen 46.61 % O
Empirical Formula:
CaMn2+0.6Mg0.3Fe2+0.1(CO3)2
Name Origin:
Named after its locality in Czechoslovakia.
Physical Properties:
Cleavage:
[1011] Perfect, [1011] Perfect, [1011] Perfect
Color:
white, light yellow, or light pink.
Density:
3.1 - 3.12, Average = 3.11
Diaphaniety:
Translucent
Habits:
Massive - Granular - Common texture observed in granite and other igneous rock., ,
Hardness:
3.5-4 - Copper Penny-Flourite
Luster:
Vitreous - Dull
Streak:
white
More details...