Mineralogy Database

Pyrochroite Mineral Data

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General Pyrochroite Information

Help on Chemical  Formula: Chemical Formula: Mn(OH)2
Help on Composition: Composition: Molecular Weight = 88.95 gm
   Manganese  61.76 %  Mn   79.75 % MnO
   Hydrogen    2.27 %  H    20.25 % H2O
   Oxygen     35.97 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Mn2+(OH)2
Help on Environment: Environment: Secondary mineral after hausmannite.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1864
Help on Locality: Locality: Vermland at Pajsberg near Persberg, Sweden. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named from the Greek, puro, "fire" and khroma, "color", because of the change in color upon ignition.
Help on Name Pronunciation: Name Pronunciation: Pyrochroite + Pronunciation Say PYROCHROITE
Help on Synonym: Synonym: ICSD 23591
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