General Santafeite Information
|
 Chemical Formula: |
(Mn,Fe,Al,Mg)2(Mn++++,Mn++)2(Ca,Sr,Na)3(VO4,AsO4)4(OH)3•2(H2O) |
| Composition: |
Molecular Weight = 896.52 gm |
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Sodium 3.59 % Na 4.84 % Na2O |
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Strontium 6.84 % Sr 8.09 % SrO |
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Calcium 3.58 % Ca 5.00 % CaO |
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Magnesium 0.54 % Mg 0.90 % MgO |
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Manganese 20.83 % Mn 13.45 % MnO / 16.49 % MnO2 |
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Aluminum 0.60 % Al 1.14 % Al2O3 |
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Vanadium 20.46 % V 36.52 % V2O5 |
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Iron 0.62 % Fe 0.89 % Fe2O3 |
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Arsenic 2.51 % As 3.85 % As2O5 |
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Hydrogen 0.81 % H 7.23 % H2O |
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Oxygen 39.62 % O |
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______ ______ |
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100.00 % 98.39 % = TOTAL OXIDE |
| Empirical Formula: |
Na1.4Ca0.8Sr0.7Mn2+1.4Mg0.2Al0.2Fe3+0.1Mn4+1.7Mn2+0.3(VO4)3.6(AsO4)0.3
(OH)3O1.5�2.1(H2O) |
| Environment: |
Uranium-vanadium deposits in a sabka limestone. |
| IMA Status: |
Valid Species (Pre-IMA) 1958 |
| Locality: |
Cliff face outcrop of the Todilto limestone, T13N-R10W Sec 25, Valencia county, New Mexico. Link to MinDat.org Location Data. |
| Name Origin: |
Named after the Atchison, Topeka and Santa Fe Railroad Company, because if its contribution to the exploration and development of the New Mexico uranium deposits. |
| Name Pronunciation: |
Santafeite + Pronunciation  |
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