uranopilite

noun
ura·nopi·lite | \ ˌyu̇rənōˈpīˌlīt , -ˈnäpəˌlīt \
plural -s

Definition of uranopilite 

: a mineral (UO2)6(SO4)(OH)10.12H2O that is a hydrous basic sulfate of uranium and occurs in yellow velvety incrustations composed of microscopic needlelike crystals

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History and Etymology for uranopilite

German uranopilit, from uran- entry 2 + Greek pilos felt + German -it -ite (hair)

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