General Information:
Chemical Formula:
Mg4Fe+++(OH)8OCl·2-4(H2O)
Composition:
(Molecular Weight = 394.62 gm)
Magnesium 24.64 % Mg
Iron 14.15 % Fe
Hydrogen 3.58 % H
Chlorine 8.98 % Cl
Oxygen 48.65 % O
Empirical Formula:
Mg4Fe3+(OH)8OCl·3(H2O)
IMA Status:
Approved IMA 1967
Physical Properties:
Cleavage:
[0001] Perfect
Color:
bluish green, greenish white, or honey yellow.
Density:
2.09 - 2.11, Average = 2.09
Diaphaniety:
Transparent
Hardness:
2.5 - Finger Nail
Luster:
Greasy (Oily)
Streak:
white
More details...