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Archerite Mineral Data
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General Archerite Information
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 Chemical Formula: |
(K,NH4)H2PO4 |
| Composition: |
Molecular Weight = 130.82 gm |
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Potassium 22.42 % K 27.00 % K2O |
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Phosphorus 23.68 % P 54.25 % P2O5 |
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Hydrogen 0.77 % H - % Calc as (NH4)2O |
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Hydrogen 1.54 % H 13.77 % H2O |
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Nitrogen 2.68 % N 4.98 % (NH4)2O |
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Oxygen 48.92 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
K0.75(NH4)0.25H2(PO4) |
| Environment: |
Occurs as a component of stalactites and crusts on the walls of caves containing bat guano deposits. |
| IMA Status: |
Approved IMA 1975 |
| Locality: |
In Petrogale Cave, near Madura, and in Murra-el-elevyn Cave, about 200 km east of Balladonia, Western Australia. Link to MinDat.org Location Data. |
| Name Origin: |
Honors Dr. Michael Archer (1945- ), Curator of Mammals, Queensland Museum, Brisbane, Australia, who discovered the first specimens. |
| Name Pronunciation: |
Archerite + Pronunciation  |
| Synonym: |
ICSD 71311 |
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PDF 35-807 |
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