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Levinsonite-(Y) Mineral Data
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General Levinsonite-(Y) Information
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Chemical Formula: |
(Y,Nd,La)Al(SO4)2(C2O4)•12(H2O) |
Composition: |
Molecular Weight = 623.48 gm |
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Lanthanum 2.23 % La 2.61 % La2O3 |
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Samarium 2.41 % Sm 2.80 % Sm2O3 |
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Gadolinium 2.52 % Gd 2.91 % Gd2O3 |
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Yttrium 4.28 % Y 5.43 % Y2O3 |
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Aluminum 4.33 % Al 8.18 % Al2O3 |
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Hydrogen 3.88 % H 34.67 % H2O |
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Carbon 3.85 % C 11.55 % C2O3 |
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Sulfur 10.29 % S 25.68 % SO3 |
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Neodymium 4.63 % Nd 5.40 % Nd2O3 |
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Oxygen 61.59 % O |
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______ ______ |
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100.00 % 99.23 % = TOTAL OXIDE |
Empirical Formula: |
Y0.3Nd0.2La0.1Sm0.1Gd0.1Al(SO4)2(C2O4)�12(H2O) |
Environment: |
Supergene assemblage formed from weathering of pyritiferous phyllite. The yttrium dominant analog of Coskrenite-(Ce) but structurally different. |
IMA Status: |
Approved IMA 1996 (Dana # Added) |
Locality: |
Alum Cave Bluff, Great Smoky Mountains Park, Tennessee, USA. Link to MinDat.org Location Data. |
Name Origin: |
Named for Al A. Levinson of the University of Calgary, who is the originator of the nomenclature system used by REE minerals. |
Synonym: |
IMA1996-057 |
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