Mineralogy Database

Khanneshite Mineral Data

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General Khanneshite Information

Help on Chemical  Formula: Chemical Formula: (NaCa)3(Ba,Sr,Ce,Ca)3(CO3)5
Help on Composition: Composition: Molecular Weight = 613.02 gm
   Barium     22.40 %  Ba   25.01 % BaO
   Sodium      8.44 %  Na   11.37 % Na2O
   Strontium   7.15 %  Sr    8.45 % SrO
   Calcium     6.21 %  Ca    8.69 % CaO
   Cerium      6.86 %  Ce    8.03 % Ce2O3
   Carbon      9.80 %  C    35.90 % CO2
   Oxygen     39.15 %  O
             ______        ______ 
             100.00 %       97.46 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Na2.25Ca0.75BaSr0.5Ce0.3Ca0.2(CO3)5
Help on Environment: Environment: Disseminated in hydrothermally-altered fine-grained carbonatite.
Help on IMA Status: IMA Status: Approved IMA 1982
Help on Locality: Locality: Khanneshin carbonatite complex, Afghanistan, Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Name Pronunciation: Name Pronunciation: Khanneshite + Pronunciation Say KHANNESHITE