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Bellbergite Mineral Data
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General Bellbergite Information
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 Chemical Formula: |
(K,Ba,Sr)2Sr2Ca2(Ca,Na)4Al18Si18O72•30(H2O) |
| Composition: |
Molecular Weight = 3,214.44 gm |
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Potassium 1.58 % K 1.90 % K2O |
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Barium 1.28 % Ba 1.43 % BaO |
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Sodium 0.50 % Na 0.67 % Na2O |
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Strontium 6.54 % Sr 7.74 % SrO |
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Calcium 6.61 % Ca 9.25 % CaO |
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Aluminum 15.11 % Al 28.55 % Al2O3 |
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Silicon 15.73 % Si 33.65 % SiO2 |
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Hydrogen 1.88 % H 16.81 % H2O |
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Oxygen 50.77 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
K1.3Na0.7Ca5.3Sr2.4Ba0.3Al18Si18O72•30(H2O) |
| Environment: |
Ca-rich xenoliths in leucite tephrite lava. |
| IMA Status: |
Approved IMA 1993 |
| Locality: |
Bellberg volcano, Mayen, Laacher See area, Eifel, Germany. Link to MinDat.org Location Data. |
| Name Origin: |
Named for the locality. |
| Name Pronunciation: |
Bellbergite + Pronunciation  |
| Synonym: |
ICSD 64728 |
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IMA1990-057 |
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PDF 45-1482 |
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