Mineralogy Database

Strontio-orthojoaquinite Mineral Data

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General Strontio-orthojoaquinite Information

Help on Chemical Formula: Chemical Formula: (Na,Fe++)2Ba2Sr2Ti2[Si4O12]2(O,OH)2•(H2O)
Help on Composition: Composition: Molecular Weight = 1,284.18 gm
   Barium     21.39 %  Ba   23.88 % BaO
   Sodium      1.79 %  Na    2.41 % Na2O
   Strontium  13.65 %  Sr   16.14 % SrO
   Titanium    7.46 %  Ti   12.44 % TiO2
   Iron        4.35 %  Fe    5.59 % FeO
   Silicon    17.50 %  Si   37.43 % SiO2
   Hydrogen    0.24 %  H     2.10 % H2O
   Oxygen     33.64 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: NaFe2+Ba2Sr2Ti2(Si4O12)2(OH)O•(H2O)
Help on IMA Status: IMA Status: Approved IMA 1982
Help on Locality: Locality: Dallas Gem mine, San Benito Co. California. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after its composition, orthorhombic crystal structure, and the relationship to joaquinite (named for Joaquin Ridge, Diablo Range, California, USA).
Help on Synonym: Synonym: IMA2000-D