General Information:
Chemical Formula:
Cu++7Te++++O4(SO4)5·KCl
Composition:
(Molecular Weight = 1,191.29 gm)
Potassium 3.28 % K
Copper 37.34 % Cu
Tellurium 10.71 % Te
Sulfur 13.46 % S
Chlorine 2.98 % Cl
Oxygen 32.23 % O
Empirical Formula:
Cu7TeO4(SO4)5KCl
IMA Status:
Approved IMA
Physical Properties:
Cleavage:
[???] Perfect
Color:
yellow or yellow brown.
Density:
4.18
Diaphaniety:
Transparent
Hardness:
2-2.5 - Gypsum-Finger Nail
Luster:
Vitreous (Glassy)
Streak:
yellowish brown
More details...