Mineralogy Database

Akrochordite Mineral Data

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General Akrochordite Information

Help on Chemical Formula: Chemical Formula: Mn4Mg(AsO4)2(OH)4•4(H2O)
Help on Composition: Composition: Molecular Weight = 661.99 gm
   Magnesium   3.67 %  Mg    6.09 % MgO
   Manganese  33.20 %  Mn   42.86 % MnO
   Arsenic    22.64 %  As   34.72 % As2O5
   Hydrogen    1.83 %  H    16.33 % H2O
   Oxygen     38.67 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Mn2+4Mg(AsO4)2(OH)4•4(H2O)
Help on Environment: Environment: A rare mineral in hausmannite ore from a metamorphosed Fe-Mn orebody (L�ngban, Sweden); in a metamorphosed stratiform zinc orebody (Sterling Hill, New Jersey, USA).
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1922
Help on Locality: Locality: From L�ngban, Varmland, Sweden. At Sterling Hill, Ogdensburg, Sussex Co., New Jersey, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: From the Greek for wart, for its typical habit.
Help on Name Pronunciation: Name Pronunciation: Akrochordite + Pronunciation Say AKROCHORDITE
Help on Synonym: Synonym: ICSD 202938
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