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Hannayite Mineral Data
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General Hannayite Information
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 Chemical Formula: |
(NH4)2Mg3H4(PO4)4•8(H2O) |
| Composition: |
Molecular Weight = 637.03 gm |
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Magnesium 11.45 % Mg 18.98 % MgO |
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Phosphorus 19.45 % P 44.56 % P2O5 |
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Hydrogen 1.27 % H - % Calc as (NH4)2O |
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Hydrogen 3.16 % H 28.28 % H2O |
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Nitrogen 4.40 % N 8.17 % (NH4)2O |
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Oxygen 60.28 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
(NH4)2Mg3H4(PO4)4•8(H2O) |
| Environment: |
Rare druses on guano-derived phosphate mineral crusts in caves. |
| IMA Status: |
Valid Species (Pre-IMA) 1878 |
| Locality: |
Skipton lava tube caves, 40 km southwest of Ballarat, Victoria, Australia. Link to MinDat.org Location Data. |
| Name Origin: |
Named for James Ballantine Hannay (1855-1931), Scottish chemist, University of Manchester, Manchester, England. |
| Name Pronunciation: |
Hannayite + Pronunciation  |
| Synonym: |
ICSD 623 |
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PDF 16-361 |
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