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Carpholite |
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Ghose S, Sen Gupta P K, Boggs R C, Schlemper E O |
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American Mineralogist 74 (1989) 1084-1090 |
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Crystal chemistry of a nonstoichiometric carpholite, |
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Kx(Mn2-x,Lix)Al4Si4O12(OH)4F4: A chain silicate related to pyroxenes |
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Locality: Sawtooth batholith, Idaho, USA |
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_database_code_amcsd 0001265 |
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13.715 20.302 5.138 90 90 90 *Ccca |
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0 .75 .75 |
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atom x y z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) |
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K 0 .25 .75 .650 0.0190 0.0546 0.0196 0 0 0 |
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Mn 0 .37733 .25 .675 0.0061 0.0073 0.0058 0 .0019 0 |
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Li .0009 .3765 .2580 .168 .019 |
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Al1 .19536 .25 .25 0.0071 0.0068 0.0058 0 0 -.0002 |
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Al2 0 .46136 .75 0.0068 0.0086 0.0067 0 -.0008 0 |
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Si .19323 .37902 .9137 0.0061 0.0064 0.0056 0.0005 0.0000 0.0005 |
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O1 .2071 .29943 .9312 0.0093 0.0071 0.0063 0.0020 0.0006 0.0006 |
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O2 .0805 .39809 .8997 0.0062 0.0110 0.0095 0.0020 -.0004 0.0011 |
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O3 .2456 .41057 .1723 0.0112 0.0085 0.0061 0.0002 -.0027 0.0001 |
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Oh4 .0689 .46806 .4323 0.0060 0.0109 0.0089 0.0015 0.0008 0.0009 |
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F .1026 .30594 .3667 0.0147 0.0170 0.0156 0.0053 0.0019 0.0009 |
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H .1250 .4620 .4154 .045 |
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