Mineralogy Database

Pseudosinhalite Mineral Data

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General Pseudosinhalite Information

Help on Chemical  Formula: Chemical Formula: Mg2Al3B2O9(OH)
Help on Composition: Composition: Molecular Weight = 312.18 gm
   Magnesium  15.57 %  Mg   25.82 % MgO
   Aluminum   25.93 %  Al   48.99 % Al2O3
   Boron       6.93 %  B    22.30 % B2O3
   Hydrogen    0.32 %  H     2.89 % H2O
   Oxygen     51.25 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Mg2Al3B2O9(OH)
Help on Environment: Environment: Associated with hydrotalcite and occurs at the Tayozhnoye Fe-B skarn as a toptactic, retrograde replacement of sinhalite in metasomatized marble.
Help on IMA Status: IMA Status: Approved IMA 1999 (Dana # Added)
Help on Locality: Locality: Aldan Shield, southern Sakha - Yakutia Republic, Russian Federation. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: The name alludes to the optical, chemical, and structural similarity to sinhalite.
Help on Name Pronunciation: Name Pronunciation: Pseudosinhalite + Pronunciation Say PSEUDOSINHALITE
Help on Synonym: Synonym: IMA1997-014