General Information:
Chemical Formula:
Pb2Fe+++6(Te++++O3)3(Te++++++O6)(OH)10·8(H2O)
Composition:
(Molecular Weight = 1,814.07 gm)
Iron 18.47 % Fe
Tellurium 28.14 % Te
Hydrogen 1.44 % H
Lead 22.84 % Pb
Oxygen 29.10 % O
Empirical Formula:
Pb2Fe3+6(TeO3)3(TeO6)(OH)10·8(H2O)
Environment:
Oxidation zone associated with other Te-bearing minerals.
IMA Status:
Approved IMA 1980
Locality:
Noctezuma mine, ("La Bambolla"). Moctezuma, Sonora, Mexico.
Name Origin:
Named from the Nahua "eztli," blood, in allusion to the color of the mineral.
Physical Properties:
Cleavage:
[001] Good
Color:
blood red.
Density:
4.5
Habits:
Druse - Crystal growth in a cavity which results in numerous crystal tipped surfaces., ,
Hardness:
3 - Calcite
Streak:
orange
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