Mineralogy Database

Madocite Mineral Data

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General Madocite Information

Help on Chemical  Formula: Chemical Formula: Pb17(Sb,As)16S41
Help on Composition: Composition: Molecular Weight = 6,841.29 gm
   Antimony  24.91 %  Sb
   Arsenic    4.38 %  As
   Lead      51.49 %  Pb
   Sulfur    19.22 %  S
            100.00 % 
Help on Empirical Formula: Empirical Formula: Pb17Sb14As4S41
Help on Environment: Environment: In the marbles of the Precambrian Grenville Limestone, at the margin of an intrusive.
Help on IMA Status: IMA Status: Approved IMA 1967
Help on Locality: Locality: Madoc, Ontario, Canada. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Name Pronunciation: Name Pronunciation: Madocite Say MADOCITE
Help on Synonym: Synonym: IMA1966-015