Mineralogy Database

Rhodesite Mineral Data

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General Rhodesite Information

Help on Chemical  Formula: Chemical Formula: KHCa2Si8O19•5(H2O)
Help on Composition: Composition: Molecular Weight = 732.57 gm
   Potassium   3.20 %  K     3.86 % K2O
   Sodium      1.26 %  Na    1.69 % Na2O
   Calcium    10.94 %  Ca   15.31 % CaO
   Silicon    30.67 %  Si   65.62 % SiO2
   Hydrogen    1.51 %  H    13.53 % H2O
   Oxygen     52.42 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: K0.6Na0.4HCa2Si8O19•5(H2O)
Help on Environment: Environment: In a kimberlite pipe and also in altered silicic lavas.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1957
Help on Locality: Locality: Bultfontein diamond mine, Kimberley, Cape Province, South Africa. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Cecil John Rhodes (1853-1902), British founder of the DeBeers Mining Company and for Rhodes University, Grahamstown, South Africa where the mineral was studied.
Help on Name Pronunciation: Name Pronunciation: Rhodesite + Pronunciation Say RHODESITE
Help on Synonym: Synonym: ICSD 36551
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