Mineralogy Database

Aluminomagnesiohulsite Mineral Data

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General Aluminomagnesiohulsite Information

Help on Chemical  Formula: Chemical Formula: Mg2(Al,Mg,Mn)(BO3)O2
Help on Composition: Composition: Molecular Weight = 195.24 gm
   Magnesium  21.41 %  Mg   35.51 % MgO
   Titanium    0.49 %  Ti    0.82 % TiO2
   Manganese   0.28 %  Mn    0.36 % MnO
   Aluminum    8.71 %  Al   16.45 % Al2O3
   Iron       12.87 %  Fe   16.56 % FeO
   Tin         9.73 %  Sn   12.35 % SnO2
   Boron       5.54 %  B    17.83 % B2O3
   Oxygen     40.97 %  O
             ______        ______ 
             100.00 %       99.88 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Mg1.55Fe2+0.45Al0.63Mg0.17Mn2+0.01Ti0.02Sn0.16O2(BO3)
Help on Environment: Environment: Occurs in Paleozoic kotoite marble in the contact zone of a Mesozoic granosyenite massif. Hulsite group; structure determined.
Help on IMA Status: IMA Status: Approved IMA 2004 (Dana # Added)
Help on Locality: Locality: Near the mouth of Kebirin´┐Żya Creek, a northern tributary of the Dogdo River, some 250 km east of Verkhoyansk, Republic of Sakha-Yakutia, Russia Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named as the Al and Mg dominant member of the hulsite group.
Help on Synonym: Synonym: Alumino-magnesiohulsite - Renamed Aluminomagnesiohulsite by Mineralogical Record, v39 (2008), p131
  IMA2002-038