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Nyerereite |
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McKie D, Frankis E J |
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Zeitschrift fur Kristallographie 145 (1977) 73-95 |
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Nyerereite: A new volcanic carbonate mineral from Oldoinyo Lengai, Tanzania |
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Note: low-temperature polymorph that inverted from the high-temperature polymorph |
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Note: only half of the O atoms have been located |
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Locality: Oldoinyo Lengai, Tanzania |
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_database_code_amcsd 0010790 |
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5.044 8.809 12.743 90 90 90 Cmc2_1 |
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atom x y z occ |
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Ca 0 .98 0 |
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Na1 0 .32 .82 .64 |
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K1 0 .32 .82 .36 |
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Na2 0 .32 .12 |
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C1 0 .35 .51 |
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C2 0 .99 .23 |
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O1 .22 .28 .52 |
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O2 0 .49 .49 |
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| Download AMC data (View Text File) Download CIF data (View Text File) Download diffraction data (View Text File) View JMOL 3-D Structure (permalink)
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|
|
Nyerereite |
 |
McKie D, Frankis E J |
 |
Zeitschrift fur Kristallographie 145 (1977) 73-95 |
|
Nyerereite: A new volcanic carbonate mineral from Oldoinyo Lengai, Tanzania |
|
Note: high-temperature polymorph with an structure that has been inferred |
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Locality: Oldoinyo Lengai, Tanzania |
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_database_code_amcsd 0010791 |
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5.05 5.05 12.85 90 90 120 P6_3mc |
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atom x y z occ |
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Ca 0 0 0 |
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Na 1/3 2/3 .825 .64 |
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K 1/3 2/3 .825 .36 |
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Na 1/3 2/3 .125 |
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C 1/3 2/3 .5 |
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C 0 0 .25 |
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O .48 .52 .5 |
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O .15 .85 .25 |
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| Download AMC data (View Text File) Download CIF data (View Text File) Download diffraction data (View Text File) View JMOL 3-D Structure (permalink)
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