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Ammonioleucite Mineral Data
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General Ammonioleucite Information
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 Chemical Formula: |
(NH4,K)AlSi2O6 |
| Composition: |
Molecular Weight = 202.45 gm |
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Potassium 4.83 % K 5.82 % K2O |
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Aluminum 13.33 % Al 25.18 % Al2O3 |
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Silicon 27.75 % Si 59.36 % SiO2 |
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Hydrogen 1.49 % H - % Calc as (NH4)2O |
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Nitrogen 5.19 % N 9.65 % (NH4)2O |
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Oxygen 47.42 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
(NH4)0.75K0.25AlSi2O6 |
| Environment: |
In veinlets, fractures, and cavities in hydrothermally altered crystalline schist, as powdery pseudomorphous replacements of analcime crystals. |
| IMA Status: |
Approved IMA 1984 |
| Locality: |
In the Tatarazawa quarry, Fujioka, Gumma Prefecture, Japan. Link to MinDat.org Location Data. |
| Name Origin: |
For "ammonia" in its chemical composition and its relation to "leucite." |
| Name Pronunciation: |
Ammonioleucite + Pronunciation  |
| Synonym: |
ICSD 54162 |
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PDF 40-474 |
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