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  Home  >>  Mineral Encyclopedia  >>  Mineral Photos  >>  Torbernite-Torbernite
Torbernite
Chemical
Formula
 Cu(UO2)2(PO4)2·8 - 12 H2O
Species
 Phosphates
Crystal
System
 Tetragonal
Mohs
Scale
 2
Specific
Gravity
 3.2
Color
 Emerald green to apple green
Streak
 Pale green
Luster
 Sub-Adamantine, Vitreous, Waxy, Pearly
Refractive
Index
 n = 1.590 - 1.592 n = 1.581 - 1.582
Diaphaneity
 Transparent, Translucent
Cleavage
 PerfectPerfect on micaceous, indistinct on
Fracture
 Brittle
Crystal Habit：Tabular crystals; Foliated to earthy masses and encrustations
Geological Setting：Uncommon mineral in secondary zone of copper bearing uranium deposits.
Torbernite3278
Torbernite3278

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