General Information:
Chemical Formula:
CdCO3
Composition:
(Molecular Weight = 172.42 gm)
Cadmium 65.20 % Cd
Carbon 6.97 % C
Oxygen 27.84 % O
Empirical Formula:
Cd(CO3)
Locality:
Tsumeb, near Otavi (Namibia).
Name Origin:
Named after its locality.
Physical Properties:
Cleavage:
[1011] Perfect, [1011] Perfect, [1011] Perfect
Color:
yellow brown, white, reddish, or reddish white.
Density:
5.03
Diaphaniety:
Transparent to Translucent
Habits:
Encrustations - Forms crust-like aggregates on matrix., Euhedral Crystals - Occurs as well-formed crystals showing good external form.,
Hardness:
3.5-4 - Copper Penny-Flourite
Luminescence:
Fluorescent.
Luster:
Adamantine - Pearly
Streak:
white
More details...