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seamanite
noun
sea·man·ite
\ˈsēməˌnīt\
Definition of seamanite
-s
: a rare mineral Mn3(PO4)(BO3).3H2O that is a phosphate and borate of manganese and that occurs in pale yellow orthorhombic crystals
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Origin and Etymology of seamanite
Arthur E. Seaman †1937 American geologist + English -ite
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