Ominelite
Hiroi Y, Grew E S, Motoyoshi Y, Peacor D R, Rouse R C, Matsubara S
Yokoyama K, Miyawaki R, McGee J J, Su S-C, Hokada T, Furukawa N, Shibasaki H
American Mineralogist 87 (2002) 160-170
Ominelite, (Fe,Mg)Al3BSiO9 (Fe2+ analogue of grandidierite),
a new mineral from porphyritic granite in Japan
_database_code_amcsd 0002752
10.343 11.095 5.7601 90 90 90 Pbnm
atom x y z U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Al1 0 0 0 .0048 .0056 .0038 .0003 -.0001 .0000
Al2 .5 0 0 .0041 .0074 .0041 -.0003 .0000 .0009
Al3 .22671 .44837 .25 .0039 .0061 .0038 -.0003 0 0
Fe .09578 .21909 .25 .0084 .0062 .0065 -.00174 0 0
Si .43503 .26359 .25 .0056 .0045 .0050 -.0001 0 0
B .2510 .0003 .75 .0052 .0072 .0041 .0003 0 0
O1 .2775 .2910 .25 .0052 .0070 .0123 .0011 0 0
O2 .1174 .0193 .25 .0054 .0069 .0047 .0004 0 0
O3 .1210 .9957 .75 .0044 .0106 .0057 -.0002 0 0
O4 .4742 .1217 .25 .0091 .0054 .0062 .0011 0 0
O5 .5463 .0963 .75 .0061 .0052 .0053 .0000 0 0
O6 .99337 .16972 .9761 .0109 .0062 .0063 -.0003 -.0022 .0002
O7 .18077 .50115 .9548 .0048 .0129 .0047 .0002 .0000 .0007
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Ominelite
Dzikowski T J, Groat L A, Grew E S
American Mineralogist 92 (2007) 863-872
The geometric effects of VFe2+ for VMg substitution on the crystal structures
of the grandidierite-ominelite series
Sample: G9
Locality: Almgjotheii, Rogaland, Norway
_database_code_amcsd 0004354
10.3450 11.0519 5.7656 90 90 90 Pbnm
atom x y z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Mg .09462 .21896 .25 .478 .0080 .0094 .0078 .0069 -.0017 0 0
Fe .09462 .21896 .25 .522 .0080 .0094 .0078 .0069 -.0017 0 0
Al1 0 0 0 .0060 .0059 .0070 .0050 .0002 -.0002 .0000
Al2 .5 0 0 .0061 .0052 .0083 .0049 -.0002 .0002 .0006
Al3 .22649 .44811 .25 .0061 .0053 .0078 .0052 -.0003 0 0
B .2510 .0003 .75 .0077 .0086 .0081 .0066 .0002 0 0
Si .43431 .26345 .25 .0062 .0068 .0062 .0056 -.0000 0 0
O1 .2765 .2898 .25 .0092 .0060 .0084 .0131 -.0003 0 0
O2 .1181 .0205 .25 .0069 .0060 .0090 .0055 .0002 0 0
O3 .1211 -.0037 .75 .0077 .0064 .0111 .0055 .0001 0 0
O4 .4740 .1208 .25 .0080 .0099 .0073 .0068 .0009 0 0
O5 .5464 .0981 .75 .0069 .0073 .0075 .0058 -.0007 0 0
O6 -.00701 .17034 -.0231 .0083 .0104 .0072 .0074 .0000 -.0017 .0004
O7 .18070 .50116 -.0453 .0087 .0063 .0140 .0058 .0001 .0003 .0008
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Ominelite
Dzikowski T J, Groat L A, Grew E S
American Mineralogist 92 (2007) 863-872
The geometric effects of VFe2+ for VMg substitution on the crystal structures
of the grandidierite-ominelite series
Sample: ominelite
_database_code_amcsd 0004355
10.363 11.129 5.769 90 90 90 Pbnm
atom x y z Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Fe .09578 .21908 .25 .0071 .0085 .0063 .0066 -.00174 0 0
Al1 0 0 0 .0049 .0049 .0058 .0039 .0003 -.0001 .0000
Al2 .5 0 0 .0053 .0043 .0076 .0041 -.0002 .0000 .0008
Al3 .22669 .44840 .25 .0047 .0040 .0063 .0039 -.0003 0 0
B .2509 .0003 .75 .0056 .0052 .0077 .0040 .0005 0 0
Si .43501 .26359 .25 .0051 .0058 .0047 .0050 -.0001 0 0
O1 .2776 .2909 .25 .0083 .0053 .0073 .0123 .0011 0 0
O2 .1174 .0193 .25 .0057 .0056 .0069 .0045 .0004 0 0
O3 .1210 -.0044 .75 .0070 .0046 .0106 .0058 -.0003 0 0
O4 .4741 .1218 .25 .0070 .0092 .0054 .0062 .0010 0 0
O5 .5463 .0964 .75 .0056 .0063 .0053 .0052 -.0001 0 0
O6 -.00668 .16967 -.0238 .0079 .0111 .0063 .0063 -.0004 -.0021 .0002
O7 .18078 .50114 -.0452 .0075 .0049 .0129 .0046 .0002 .0000 .0008
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