from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A combined phosphate and fluoride of iron and magnesium.

from the GNU version of the Collaborative International Dictionary of English

  • n. A fluophosphate of magnesia, occurring in yellowish crystals, and also in massive forms.

from The Century Dictionary and Cyclopedia

  • n. A transparent mineral having a vitreoresinous luster, wine-yellow or honey-yellow in color. It is a fluophosphate of magnesium.
  • n. Same as


Wagner +‎ -ite, after F. M. von Wagner (1768-1851), German mining official. (Wiktionary)


  • You don't have to Google "penitent wagnerite" each time you want to check up on TPW, just type "" in your browser's address bar.

    Here's the deal

  • How else would they know to look for "penitent wagnerite"?

    Here's the deal


Log in or sign up to get involved in the conversation. It's quick and easy.