Mineralogy Database

Tincalconite Mineral Data

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General Tincalconite Information

Help on Chemical  Formula: Chemical Formula: Na6[B4O5(OH)4]3•8(H2O)
Help on Composition: Composition: Molecular Weight = 855.86 gm
   Sodium    16.12 %  Na   21.73 % Na2O
   Boron     15.16 %  B    48.81 % B2O3
   Hydrogen   3.30 %  H    29.47 % H2O
   Oxygen    65.43 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Na6B12O15(OH)12•8(H2O)
Help on Environment: Environment: Dehydration of borax or other Na borates.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1878
Help on Locality: Locality: Searles Lake, San Bernardino Co., California. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for tincal (borax) and konos "powder" in allusion to the minerals composition and appearance.
Help on Name Pronunciation: Name Pronunciation: Tincalconite + Pronunciation Say TINCALCONITE
Help on Synonym: Synonym: ICSD 66529
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