Mineralogy Database

Meionite Mineral Data

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General Meionite Information

Help on Chemical  Formula: Chemical Formula: Ca4Al6Si6O24CO3
Help on Composition: Composition: Molecular Weight = 934.71 gm
   Calcium   17.15 %  Ca   24.00 % CaO
   Aluminum  17.32 %  Al   32.73 % Al2O3
   Silicon   18.03 %  Si   38.57 % SiO2
   Carbon     1.28 %  C     4.71 % CO2
   Oxygen    46.22 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca4Al6Si6O24(CO3)
Help on Environment: Environment: Small cavities in limestone ejecta blocks. Forms a series with marialite.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1801
Help on Locality: Locality: Mte. Somma, Vesuvius, Italy. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: From the Greek for "less", referring to its less acute pyramidal form compared with vesuvianite.
Help on Name Pronunciation: Name Pronunciation: Meionite Say MEIONITE
Help on Synonym: Synonym: ICSD 2628
  PDF 44-1399
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