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Atencioite Mineral Data
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General Atencioite Information
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Chemical Formula: |
Ca2Fe++[ ]Mg2Fe++2Be4(PO4)6(OH)4•6H2O |
Composition: |
Molecular Weight = 1,060.05 gm |
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Calcium 7.07 % Ca 9.89 % CaO |
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Magnesium 5.14 % Mg 8.52 % MgO |
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Manganese 0.98 % Mn 1.27 % MnO |
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Beryllium 3.34 % Be 9.27 % BeO |
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Aluminum 0.20 % Al 0.38 % Al2O3 |
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Iron 13.17 % Fe 13.42 % FeO / 3.92 % Fe2O3 |
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Phosphorus 17.53 % P 40.17 % P2O5 |
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Hydrogen 1.47 % H 13.15 % H2O |
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Oxygen 51.09 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
Empirical Formula: |
Ca1.87Mg2.24Mn2+0.19Fe2+1.98Fe3+0.52Al0.08Be3.93(PO4)6(OH)4.22�5.63(H2O) |
Environment: |
Occurs in granite pegmatite. Related to roscherite. |
IMA Status: |
Approved IMA 2004 (Dana # Added) |
Locality: |
Linopolis, Divino das Laranjeiras, Minas Gerais State, Brazil Link to MinDat.org Location Data. |
Name Origin: |
Named for Dr. Daniel Atencio, professor of mineralogy at the Geoscience Institute of the University of S�o Paulo, Brazil. |
Synonym: |
IMA2004-041 |
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