Mineralogy Database

Melilite Mineral Data

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General Melilite Information

Help on Chemical  Formula: Chemical Formula: (Ca,Na)2(Al,Mg,Fe++)(Si,Al)2O7
Help on Composition: Composition: Molecular Weight = 268.29 gm
   Sodium      4.28 %  Na    5.78 % Na2O
   Calcium    22.41 %  Ca   31.35 % CaO
   Magnesium   2.72 %  Mg    4.51 % MgO
   Aluminum   11.06 %  Al   20.90 % Al2O3
   Iron        2.08 %  Fe    2.68 % FeO
   Silicon    15.70 %  Si   33.59 % SiO2
   Oxygen     41.74 %  O
             ______        ______ 
             100.00 %       98.81 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca1.5Na0.5Al1.1Mg0.3Fe2+0.1Si1.5O7
Help on Environment: Environment: Igneous rocks poor in silica and alkalis.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1796
Help on Locality: Locality: Capo di Bove, near Rome, Italy. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: From the Greek, meli - "honey" and lithos - "stone."
Help on Name Pronunciation: Name Pronunciation: Melilite Say MELILITE