Mineralogy Database

Hydroxylborite Mineral Data

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General Hydroxylborite Information

Help on Chemical Formula: Chemical Formula: Mg3(BO3)(OH,F)3
Help on Composition: Composition: Molecular Weight = 185.25 gm
   Magnesium  39.75 %  Mg   65.92 % MgO
   Boron       5.72 %  B    18.41 % B2O3
   Hydrogen    1.09 %  H     9.72 % H2O
   Oxygen     43.18 %  O
   Fluorine   10.26 %  F    10.26 % F
                -   %   F    -4.32 % -O=F2    
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Mg3.03B0.98(OH)2FO3
Help on Environment: Environment: Occur in the mineralized marble adjacent to the boron ore (suanite-kotoite-ludwigite).. OH-dominant analogue of fluoborite.
Help on IMA Status: IMA Status: Approved IMA 2005 (Dana # Added)
Help on Locality: Locality: Titoskoe deposit, Chersky range, basin of the river Dogdo, Sakha Republic (Yakutia), Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named as the OH analogue of fluoborite.
Help on Name Pronunciation: Name Pronunciation: Hydroxylborite + Pronunciation Say HYDROXYLBORITE
Help on Synonym: Synonym: IMA2005-054