Mineralogy Database

Trigonite Mineral Data

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General Trigonite Information

Help on Chemical  Formula: Chemical Formula: Pb3Mn(As+++O3)2(As+++O2OH)
Help on Composition: Composition: Molecular Weight = 1,046.31 gm
   Manganese   5.25 %  Mn    6.78 % MnO
   Arsenic    21.48 %  As   28.36 % As2O3
   Hydrogen    0.10 %  H     0.86 % H2O
   Lead       59.41 %  Pb   64.00 % PbO
   Oxygen     13.76 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Pb3Mn2+(AsO3)2(AsO2OH)
Help on Environment: Environment: In a metamorphosed Fe-Mn orebody.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1920
Help on Locality: Locality: Langban, Varmland, Sweden. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named from the Greek for triangle, alluding to the characteristic crystal outline
Help on Name Pronunciation: Name Pronunciation: Trigonite + Pronunciation Say TRIGONITE
Help on Synonym: Synonym: ICSD 100410
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