General Information:
Chemical Formula:
Cu++3Te++++++O6·2(H2O)
Composition:
(Molecular Weight = 450.26 gm)
Copper 42.34 % Cu
Tellurium 28.34 % Te
Hydrogen 0.90 % H
Oxygen 28.43 % O
Empirical Formula:
Cu3(TeO6)·2(H2O)
Environment:
Secondary alteration of Cu and Te ore minerals.
IMA Status:
Approved IMA
Locality:
The dumps of the Centennial Eureka mine, Tintic district, Juab County, Utah, USA.
Name Origin:
For Mr. Matin C. Jensen (1959-), who first collected and recognized this mineral as a potentially new species.
Physical Properties:
Cleavage:
[101] Fair
Color:
emerald green.
Density:
4.76
Diaphaniety:
Transparent
Habits:
Subhedral Crystals - Occurs as crystals which tend to exhibit a recognizable crystal shape., Pseudo Rhombohedral - Crystals show a rhombohedral outline., Cryptocrystalline - Occurs as crystals too small to distinguish with
Hardness:
3-4 - Calcite-Fluorite
Luminescence:
Non-fluorescent.
Luster:
Adamantine
Streak:
emerald green
More details...