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