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Thadeuite Mineral Data
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General Thadeuite Information
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 Chemical Formula: |
(Ca,Mn++)(Mg,Fe++,Mn+++)3(PO4)2(OH,F)2 |
| Composition: |
Molecular Weight = 368.49 gm |
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Calcium 10.88 % Ca 15.22 % CaO |
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Magnesium 14.51 % Mg 24.06 % MgO |
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Manganese 4.47 % Mn 6.43 % Mn2O3 |
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Iron 9.09 % Fe 11.70 % FeO |
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Phosphorus 16.81 % P 38.52 % P2O5 |
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Hydrogen 0.41 % H 3.67 % H2O |
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Oxygen 41.25 % O |
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Fluorine 2.58 % F 2.58 % F |
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- %
F -1.09 % -O=F2 |
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______ ______ |
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100.00 % 101.09 % = TOTAL OXIDE |
| Empirical Formula: |
CaMg2.2Fe2+0.6Mn3+0.3(PO4)2(OH)1.5F0.5 |
| Environment: |
Primary mineral in the margins of hydrothermal veins, formed between 230 to 360 deg. C and 100-1,000 bars. |
| IMA Status: |
Approved IMA 1979 |
| Locality: |
Panasqueira Sn-W deposit, Portugal. Link to MinDat.org Location Data. |
| Name Origin: |
Namd for Decio Thadeu, Technical University, Lisbon, Portugal, for his studies on Portuguese ore deposits. |
| Name Pronunciation: |
Thadeuite + Pronunciation  |
| Synonym: |
ICSD 17052 |
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PDF 33-284 |
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