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fibroferrite

noun
fi·​bro·​fer·​rite | \ˌfībrōˈfeˌrīt\

Definition of fibroferrite 

: a mineral Fe(SO4)(OH).5H2O consisting of a fibrous hydrated basic ferric sulfate

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History and Etymology for fibroferrite

German fibroferrit, from fibr- + Latin ferrum iron + German -it -ite

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