Mineralogy Database

Benstonite Mineral Data

Search Webmineral :
  

General Benstonite Information

Help on Chemical Formula: Chemical Formula: (Ba,Sr)6(Ca,Mn)6Mg(CO3)13
Help on Composition: Composition: Molecular Weight = 1,816.58 gm
   Barium     34.02 %  Ba   37.98 % BaO
   Strontium   7.24 %  Sr    8.56 % SrO
   Calcium     9.93 %  Ca   13.89 % CaO
   Magnesium   1.34 %  Mg    2.22 % MgO
   Manganese   4.54 %  Mn    5.86 % MnO
   Carbon      8.60 %  C    31.49 % CO2
   Oxygen     34.35 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ba4.5Sr1.5Ca4.5Mn2+1.5Mg(CO3)13
Help on Environment: Environment: Barite deposit.
Help on IMA Status: IMA Status: Approved IMA 1961
Help on Locality: Locality: Magnet Cove, Arkansas, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Orlando J. Benston (1901-1966), metallurgist for the Baroid Division, National Lead Co., Malvern, Arkansas, USA, who supplied the first specimens.
Help on Name Pronunciation: Name Pronunciation: Benstonite + Pronunciation Say BENSTONITE
Help on Synonym: Synonym: ICSD 100479
  PDF 14-637