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reddingite

noun
red·​ding·​ite | \ˈrediŋˌīt\
plural -s

Definition of reddingite 

: a mineral Mn3(PO4)2.3H2O consisting of a pinkish or yellowish white orthorhombic hydrous manganese phosphate isomorphous with phosphoferrite

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History and Etymology for reddingite

Redding, Connecticut + English -ite

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