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Merlinoite Mineral Data
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General Merlinoite Information
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 Chemical Formula: |
(K,Ca,Na,Ba)7Si23Al9O64•23(H2O) |
| Composition: |
Molecular Weight = 2,625.60 gm |
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Potassium 6.25 % K 7.53 % K2O |
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Barium 2.09 % Ba 2.34 % BaO |
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Sodium 0.53 % Na 0.71 % Na2O |
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Calcium 2.29 % Ca 3.20 % CaO |
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Aluminum 9.56 % Al 18.06 % Al2O3 |
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Iron 0.43 % Fe 0.55 % FeO |
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Silicon 24.28 % Si 51.95 % SiO2 |
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Hydrogen 1.74 % H 15.58 % H2O |
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Oxygen 52.83 % O |
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______ ______ |
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100.00 % 99.91 % = TOTAL OXIDE |
| Empirical Formula: |
K4.2Ca1.5Na0.6Ba0.4Fe2+0.2Si22.7Al9.3O64�22.7(H2O) |
| Environment: |
A secondary mineral in veins and cavities of silica-undersaturated volcanic rocks and manganese nodules in the Indian Ocean. |
| IMA Status: |
Approved IMA 1977 |
| Locality: |
In the Cupaello quarry, near Santa Rufina, and at Valle Beachella, Sacrofano, near Rome, Lazio,, Italy. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Stefano Merlino (1938-), Professor of Crystallography, University of Pisa, Pisa, Italy. |
| Name Pronunciation: |
Merlinoite + Pronunciation  |
| Synonym: |
ICSD 86741 |
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PDF 29-989 |
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