from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. An uncommon monoclinic manganese iron phosphate mineral.

from the GNU version of the Collaborative International Dictionary of English

  • n. A manganese phosphate near triplite, but containing hydroxyl instead of fluorine.

from The Century Dictionary and Cyclopedia

  • n. A phosphate of iron and manganese occurring in monoclinic prismatic crystals, also in columnar to fibrous masses of a reddishbrown color. It closely resembles triplite, but differs from it in having the fluorin replaced by hydroxyl.


triplite (which it resembles) and -oid. (Wiktionary)


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