Name: |
torbernite |
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Class: |
Phosphates/Arsenates/Vanadates |
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Chemistry: |
Cu(UO2)2(PO4)2*10H2O hydrated copper uranium phosphate |
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Color(s): |
green, yellowish-green, Streak: white |
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Hardness: |
2 - 2.5 |
SpecGrav: |
3.3 |
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Fracture: |
uneven |
Cleavage: |
perfect 1 direction |
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Crystal: |
tetragonal (often micaceous - tabular plates) |
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Envronment: |
in pegmatites, hydrothermal veins, and some sedimentary deposits. It is an oxidation product of other uranium minerals. |
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Association: |
uranite, autunite |
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Locals: |
| England | Austrailia | Germany | France | Zaire | Mexico | North Carolina/USA | |
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Misc: |
is not fluorescent, it is radio active, named for the Swedish minerologist Torbern Olaf Bergman. |
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