Mineralogy Database

Donnayite-(Y) Mineral Data

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General Donnayite-(Y) Information

Help on Chemical  Formula: Chemical Formula: Sr3NaCaY(CO3)6•3(H2O)
Help on Composition: Composition: Molecular Weight = 828.93 gm
   Sodium      2.77 %  Na    3.74 % Na2O
   Strontium  31.71 %  Sr   37.50 % SrO
   Calcium     4.83 %  Ca    6.76 % CaO
   Yttrium    10.73 %  Y    13.62 % Y2O3
   Hydrogen    0.73 %  H     6.52 % H2O
   Carbon      8.69 %  C    31.86 % CO2
   Oxygen     40.53 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Sr3NaCaY(CO3)6•3(H2O)
Help on Environment: Environment: Nepheline syenites.
Help on IMA Status: IMA Status: Approved IMA 1978
Help on Locality: Locality: Mt. St. Hilare, Quebec, Canada. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Joseph Desire Hubert Donnay (1902-1994), Belgian-American-Canadian crystallographer and minereralogist and Gabrielle (Hamburger) Donnay (1920-1987), American Canadian mine ralogist, McGill Univeristy.
Help on Name Pronunciation: Name Pronunciation: Donnayite-(Y) + Pronunciation Say DONNAYITE-(Y)
Help on Synonym: Synonym: IMA1978-007