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Groatite |
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Cooper M A, Hawthorne F C, Ball N A, Ramik R A, Roberts A C |
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The Canadian Mineralogist 47 (2009) 1225-1235 |
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Groatite, NaCaMn2(PO4)[PO3(OH)]2, a new mineral species of the alluaudite group |
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from the Tanco Pegmatite, Bernic Lake, Manitoba, Canada: Description and |
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crystal structure |
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Locality: Tanco Pegmatite, Bernic Lake, Manitoba, Canada |
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_database_code_amcsd 0006298 |
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12.5435 12.4324 6.7121 90 115.332 90 C2/c |
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atom x y z Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) |
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NaA2 0 -.0439 .25 .0284 .0196 .0455 .0152 0 .0029 0 |
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CaM1 0 .28883 .25 .0119 .0116 .0098 .0155 0 .0070 0 |
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MnM2 .28243 .66313 .36073 .01008 .0111 .0080 .0112 .0001 .0049 .0002 |
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PT1 0 .68999 .25 .0085 .0090 .0078 .0081 0 .0031 0 |
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PT2 .21416 .89604 .11515 .0089 .0104 .0070 .0091 .0000 .0041 .0000 |
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O1 .4548 .7384 .5439 .0119 .0117 .0132 .0094 .0002 .0032 -.0019 |
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O2 .0980 .6176 .2399 .0136 .0111 .0094 .0198 .0006 .0062 -.0009 |
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O3 .3403 .6683 .0986 .0129 .0161 .0117 .0114 -.0018 .0064 -.0003 |
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Oh4 .1528 .4220 .3401 .0144 .0121 .0085 .0226 .0023 .0074 .0011 |
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O5 .2178 .8289 .3081 .0115 .0105 .0115 .0110 .0010 .0032 .0005 |
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O6 .3501 .5020 .4042 .0127 .0120 .0093 .0163 -.0006 .0057 .0020 |
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H .128 .4970 .305 .07 |
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