General Information:
Chemical Formula:
H6(Ca,Pb)2Cu3(SO4)(Te++++O3)4(Te++++++O6)
Composition:
(Molecular Weight = 1,382.46 gm)
Calcium 4.35 % Ca
Copper 13.79 % Cu
Tellurium 46.15 % Te
Hydrogen 0.44 % H
Lead 7.49 % Pb
Sulfur 2.32 % S
Oxygen 25.46 % O
Empirical Formula:
H6Ca1.5Pb0.5Cu3(SO4)(TeO3)4(TeO6)
IMA Status:
Approved IMA 1978
Locality:
Bambollita mine ("La Oriental"), Moctezuma, Sonora, Mexico.
Name Origin:
Named from the Nahua "tlapalli," paint, in allusion to its paintlike coating of rock surfaces.
Physical Properties:
Cleavage:
None
Color:
green or cyprus green.
Density:
4.65
Habits:
Thin - Flat dimensioned crystals., Encrustations - Forms crust-like aggregates on matrix.,
Hardness:
3 - Calcite
Luminescence:
Non-fluorescent.
Luster:
Vitreous (Glassy)
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