Mineralogy Database

Probertite Mineral Data

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General Probertite Information

Help on Chemical  Formula: Chemical Formula: NaCaB5O7(OH)4•3(H2O)
Help on Composition: Composition: Molecular Weight = 351.19 gm
   Sodium     6.55 %  Na    8.82 % Na2O
   Calcium   11.41 %  Ca   15.97 % CaO
   Boron     15.39 %  B    49.56 % B2O3
   Hydrogen   2.87 %  H    25.65 % H2O
   Oxygen    63.78 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: NaCaB5O7(OH)4•3(H2O)
Help on Environment: Environment: Kramer borate deposits.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1929
Help on Locality: Locality: Boron, Kern Co., California. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Frank H. Probert (1876-1940), University of California, who discovered the mineral.
Help on Name Pronunciation: Name Pronunciation: Probertite + Pronunciation Say PROBERTITE
Help on Synonym: Synonym: ICSD 35245
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