General Information:
Chemical Formula:
Mg5(CO3)4(OH)2·4(H2O)
Composition:
(Molecular Weight = 467.64 gm)
Magnesium 25.99 % Mg
Hydrogen 2.16 % H
Carbon 10.27 % C
Oxygen 61.58 % O
Empirical Formula:
Mg5(CO3)4(OH)2·4(H2O)
Name Origin:
Named after its chemical composition.
Physical Properties:
Cleavage:
[010] Perfect, [100] Distinct
Color:
colorless or white.
Density:
2.16 - 2.2, Average = 2.18
Diaphaniety:
Transparent
Habits:
Acicular - Occurs as needle-like crystals., Encrustations - Forms crust-like aggregates on matrix.,
Hardness:
3.5 - Copper Penny
Luminescence:
Fluorescent, Short UV=green, Long UV=bluish white.
Luster:
Silky
Streak:
white
More details...