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Biphosphammite Mineral Data
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General Biphosphammite Information
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 Chemical Formula: |
(NH4,K)H2PO4 |
| Composition: |
Molecular Weight = 120.29 gm |
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Potassium 8.13 % K 9.79 % K2O |
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Phosphorus 25.75 % P 59.00 % P2O5 |
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Hydrogen 2.51 % H - % Calc as (NH4)2O |
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Hydrogen 1.68 % H 14.98 % H2O |
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Nitrogen 8.73 % N 16.23 % (NH4)2O |
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Oxygen 53.20 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
(NH4)0.75K0.25H2(PO4) |
| Environment: |
Occurs as an alteration of phosphammite in guano, due to loss of ammonium (NH4). |
| IMA Status: |
Valid Species (Pre-IMA) 1870 |
| Locality: |
On Guanape Island, south of Trujillo, Peru. Link to MinDat.org Location Data. |
| Name Origin: |
As a BIPHOSPHate of AMMonium. |
| Name Pronunciation: |
Biphosphammite + Pronunciation  |
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