Mineralogy Database

Garrelsite-VIII Mineral Data

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General Garrelsite-VIII Information

Help on Chemical  Formula: Chemical Formula: Ba3NaSi2B7O16(OH)4
Help on Composition: Composition: Molecular Weight = 890.83 gm
   Barium    46.25 %  Ba   51.63 % BaO
   Sodium     2.58 %  Na    3.48 % Na2O
   Silicon    6.31 %  Si   13.49 % SiO2
   Boron      8.49 %  B    27.35 % B2O3
   Hydrogen   0.45 %  H     4.04 % H2O
   Oxygen    35.92 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ba3NaSi2B7O16(OH)4
Help on Environment: Environment: Of authigenic origin, in dolomitic shale in drill core from the Green River Formation.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1955
Help on Locality: Locality: From several drill holes in Uintah Co., Utah, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Robert Minard Garrels (1916-1988), American geochemist and educator.
Help on Name Pronunciation: Name Pronunciation: Garrelsite-VIII + Pronunciation Say GARRELSITE-VIII