Min. [f. TRIPL(ITE + -OID + -ITE1.] A hydrous phosphate of iron and manganese, allied to TRIPLITE.

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1878.  Amer. Jrnl. Sc. & Arts, Ser. III. XV. May, 398. Triploidite. Occurs in crystalline aggregates whose structure is parallel-fibrous to columnar.

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