Mineralogy Database

Joaquinite-(Ce) Mineral Data

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General Joaquinite-(Ce) Information

Help on Chemical Formula: Chemical Formula: NaFe++Ba2Ce2(Ti,Nb)2[Si4O12]2O2(OH,F)•(H2O)
Help on Composition: Composition: Molecular Weight = 1,419.19 gm
   Barium    19.35 %  Ba   21.61 % BaO
   Sodium     1.62 %  Na    2.18 % Na2O
   Cerium    19.75 %  Ce   23.13 % Ce2O3
   Titanium   3.37 %  Ti    5.63 % TiO2
   Niobium    6.55 %  Nb    9.36 % Nb2O5
   Iron       3.94 %  Fe    5.06 % FeO
   Silicon   15.83 %  Si   33.87 % SiO2
   Hydrogen   0.18 %  H     1.59 % H2O
   Oxygen    28.75 %  O
   Fluorine   0.67 %  F     0.67 % F
               -   %   F    -0.28 % -O=F2    
            ______        ______ 
            100.00 %      102.82 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: NaFe2+Ba2Ce2TiNb(Si4O12)2(OH)0.5F0.5•(H2O)
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1909
Help on Locality: Locality: Benitoite Gem mine, head waters of the San Benito River, Joaquin Ridge, Diablo Range, 1 mile south of Santa Rita Peak, San Benito Co. California. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after its locality.
Help on Name Pronunciation: Name Pronunciation: Joaquinite-(Ce) + Pronunciation Say JOAQUINITE-(CE)
Help on Synonym: Synonym: ICSD 4359
  IMA2000-D
  PDF 36-385