Mineralogy Database

Pezzottaite Mineral Data

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General Pezzottaite Information

Help on Chemical  Formula: Chemical Formula: Cs(Be2Li)Al2Si6O18
Help on Composition: Composition: Molecular Weight = 658.80 gm
   Cesium     14.93 %  Cs   15.83 % Cs2O
   Potassium   0.06 %  K     0.07 % K2O
   Rubidium    0.52 %  Rb    0.57 % Rb2O
   Sodium      1.40 %  Na    1.88 % Na2O
   Lithium     0.99 %  Li    2.13 % Li2O
   Beryllium   4.19 %  Be   11.62 % BeO
   Aluminum    8.35 %  Al   15.79 % Al2O3
   Silicon    25.58 %  Si   54.72 % SiO2
   Hydrogen    0.03 %  H     0.27 % H2O
   Oxygen     43.96 %  O
             ______        ______ 
             100.00 %      102.88 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Cs0.74Rb0.04K0.01Na0.4Be3.06Li0.94Al2.04Si6O18(H2O)0.1
Help on Environment: Environment: Late-stage pocket mineral formed in a granitic pegmatite. Beryl group
Help on IMA Status: IMA Status: Approved IMA 2004 (Dana # Added)
Help on Locality: Locality: Sakavalana pegmatite, located 25 km south of the village of Mandosonoro, SW of Antsirabe, Fianarantsoa province, central Madagascar. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Federico Pezzotta of the Museo Civico, Milano, Italy for his work on the granitic pegmatites of Madagascar.
Help on Synonym: Synonym: IMA2003-022