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Lecontite Mineral Data
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General Lecontite Information
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 Chemical Formula: |
(NH4,K)Na(SO4)•2(H2O) |
| Composition: |
Molecular Weight = 178.39 gm |
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Potassium 5.48 % K 6.60 % K2O |
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Sodium 12.89 % Na 17.37 % Na2O |
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Hydrogen 1.70 % H - % Calc as (NH4)2O |
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Hydrogen 2.26 % H 20.20 % H2O |
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Sulfur 17.98 % S 44.88 % SO3 |
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Nitrogen 5.89 % N 10.95 % (NH4)2O |
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Oxygen 53.81 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
(NH4)0.75K0.25Na(SO4)•2(H2O) |
| Environment: |
Early product of the breakdown of bat guano. |
| IMA Status: |
Valid Species (Pre-IMA) 1858 |
| Locality: |
Las Piedras Cave, near Comayagua, 62 km northwest of Tegucigalpa, Honduras. Link to MinDat.org Location Data. |
| Name Origin: |
Named for John Lawrence LeConte (1825-1883), American entomologist, University of California, Berkeley, California, USA, who discovered the mineral. |
| Name Pronunciation: |
Lecontite + Pronunciation  |
| Synonym: |
ICSD 77896 |
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PDF 15-283 |
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