Mineralogy Database

Bystrite Mineral Data

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General Bystrite Information

Help on Chemical  Formula: Chemical Formula: (Na,K)7Ca(Si6Al6)O24S4.5•(H2O)
Help on Composition: Composition: Molecular Weight = 1,106.92 gm
   Potassium   6.36 %  K     7.66 % K2O
   Sodium     10.80 %  Na   14.56 % Na2O
   Calcium     3.62 %  Ca    5.07 % CaO
   Aluminum   14.14 %  Al   26.71 % Al2O3
   Silicon    15.73 %  Si   33.65 % SiO2
   Hydrogen    0.18 %  H     1.63 % H2O
   Sulfur     13.04 %  S    13.04 % S2-
                -   %  S    -6.50 % -O=S 
   Oxygen     36.13 %  O
             ______        ______ 
             100.00 %       95.81 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Na5.2K1.8CaSi6.2Al5.8O24S4.5•(H2O)
Help on Environment: Environment: In a lazurite deposit.
Help on IMA Status: IMA Status: Approved IMA 1991
Help on Locality: Locality: In the Malaya Bystraya lazurite deposit, south of Lake Baikal, Siberia, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after the locality.
Help on Name Pronunciation: Name Pronunciation: Bystrite Say BYSTRITE
Help on Synonym: Synonym: ICSD 39458
  IMA1990-008
  PDF 45-1373