|
Fluorbritholite-(Ce) |
| |
Oberti R, Ottolini L, Della Ventura G, Parodi G C |
 |
American Mineralogist 86 (2001) 1066-1075 |
|
On the symmetry and crystal chemistry of britholite: |
|
New structural and microanalytical data |
|
Sample: CAPR in volcanic ejectum from Capranica, Latium, Italy |
|
_database_code_amcsd 0002669 |
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9.547 9.547 6.991 90 90 120 P6_3 |
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atom x y z occ Biso |
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Si1 .3990 .3718 .2513 .93 .68 |
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B1 .3990 .3718 .2513 .03 .68 |
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P1 .3990 .3718 .2513 .04 .68 |
|
Ca1 1/3 2/3 -.0048 .49 .85 |
|
Y1 1/3 2/3 -.0048 .02 .85 |
|
La1 1/3 2/3 -.0048 .11 .85 |
|
Ce1 1/3 2/3 -.0048 .21 .85 |
|
Pr1 1/3 2/3 -.0048 .02 .85 |
|
Nd1 1/3 2/3 -.0048 .06 .85 |
|
Sm1 1/3 2/3 -.0048 .01 .85 |
|
Th1 1/3 2/3 -.0048 .07 .85 |
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U1 1/3 2/3 -.0048 .01 .85 |
|
Ca1a 2/3 1/3 .0001 .49 .82 |
|
Y1a 2/3 1/3 .0001 .02 .82 |
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La1a 2/3 1/3 .0001 .11 .82 |
|
Ce1a 2/3 1/3 .0001 .21 .82 |
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Pr1a 2/3 1/3 .0001 .02 .82 |
|
Nd1a 2/3 1/3 .0001 .06 .82 |
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Sm1a 2/3 1/3 .0001 .01 .82 |
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Th1a 2/3 1/3 .0001 .07 .82 |
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U1a 2/3 1/3 .0001 .01 .82 |
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Ca2 .2378 -.0116 .25 .49 .87 |
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Y2 .2378 -.0116 .25 .02 .87 |
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La2 .2378 -.0116 .25 .11 .87 |
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Ce2 .2378 -.0116 .25 .21 .87 |
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Pr2 .2378 -.0116 .25 .02 .87 |
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Nd2 .2378 -.0116 .25 .06 .87 |
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Sm2 .2378 -.0116 .25 .01 .87 |
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Th2 .2378 -.0116 .25 .07 .87 |
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U2 .2378 -.0116 .25 .01 .87 |
|
O1 .3229 .4886 .2532 1.45 |
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O2 .5940 .4695 .2569 1.78 |
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O3 .3168 .2431 .4218 2.11 |
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O3a .3580 .2604 .0595 1.35 |
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OH4 0 0 .2359 .12 5.38 |
|
F4 0 0 .2359 .88 5.38 |
|
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|
| |
|
Fluorbritholite-(Ce) |
| |
Oberti R, Ottolini L, Della Ventura G, Parodi G C |
|
American Mineralogist 86 (2001) 1066-1075 |
|
On the symmetry and crystal chemistry of britholite: |
|
New structural and microanalytical data |
|
Sample: LOS from Rouma Island, Guinea |
|
_database_code_amcsd 0002670 |
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9.682 9.682 7.066 90 90 120 P6_3 |
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atom x y z occ Biso |
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Si1 .4007 .3728 .2564 .85 .68 |
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P1 .4007 .3728 .2564 .13 .68 |
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Na1 1/3 2/3 -.0039 .25 .85 |
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Ca1 1/3 2/3 -.0039 .17 .85 |
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La1 1/3 2/3 -.0039 .24 .85 |
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Ce1 1/3 2/3 -.0039 .28 .85 |
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Pr1 1/3 2/3 -.0039 .02 .85 |
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Nd1 1/3 2/3 -.0039 .04 .85 |
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Na1a 2/3 1/3 .0060 .25 .82 |
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Ca1a 2/3 1/3 .0060 .17 .82 |
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La1a 2/3 1/3 .0060 .24 .82 |
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Ce1a 2/3 1/3 .0060 .28 .82 |
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Pr1a 2/3 1/3 .0060 .02 .82 |
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Nd1a 2/3 1/3 .0060 .04 .82 |
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Ca2 .2364 -.0133 .25 .23 .87 |
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La2 .2364 -.0133 .25 .33 .87 |
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Ce2 .2364 -.0133 .25 .37 .87 |
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Pr2 .2364 -.0133 .25 .02 .87 |
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Nd2 .2364 -.0133 .25 .05 .87 |
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O1 .3246 .4868 .2589 1.45 |
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O2 .5929 .4693 .2539 1.78 |
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O3 .3120 .2445 .4174 2.11 |
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O3a .3650 .2650 .0633 1.35 |
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OH4 0 0 .1771 .12 5.38 |
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F4 0 0 .2359 .88 5.38 |
|
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Gatelite-(Ce) |
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Bonazzi P, Bindi L, Parodi G C |
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American Mineralogist 88 (2003) 223-228 |
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Gatelite-(Ce), a new REE-bearing mineral from Trimouns, French Pyrenees: |
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Crystal structure and polysomatic relationships with epidote and |
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tornebohmite-(Ce) |
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_database_code_amcsd 0002975 |
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17.770 5.651 17.458 90 116.18 90 P2_1/a |
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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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CaA1 .36462 .25491 .41008 .0108 .0131 .0103 .0095 -.0022 .0056 .0022 |
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CeA2 .44606 .23572 .25014 .98 .0075 .0071 .0082 .0060 .0003 .0019 .0001 |
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CaA2 .44606 .23572 .25014 .02 .0075 .0071 .0082 .0060 .0003 .0019 .0001 |
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CeA3 .36921 .28197 .00984 .96 .0097 .0118 .0093 .0057 .0010 .0018 .0004 |
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CaA3 .36921 .28197 .00984 .04 .0097 .0118 .0093 .0057 .0010 .0018 .0004 |
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CeA4 .03878 .74136 .16607 .95 .0078 .0068 .0089 .0062 .0003 .0017 .0003 |
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CaA4 .03878 .74136 .16607 .05 .0078 .0068 .0089 .0062 .0003 .0017 .0003 |
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AlM1 .2497 .4972 .5005 .80 .0102 .0088 .0106 .0103 .0014 .0034 .0016 |
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MgM1 .2497 .4972 .5005 .20 .0102 .0088 .0106 .0103 .0014 .0034 .0016 |
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AlM2a .2400 .4993 .2030 .0058 .0052 .0050 .0067 .0006 .0023 .0009 |
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AlM2b .2402 .0003 .2064 .0057 .0053 .0049 .0069 .0005 .0028 -.0005 |
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FeM3 .0987 .7500 .3769 .35 .0108 .0077 .0109 .0148 .0034 .0058 .0045 |
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MgM3 .0987 .7500 .3769 .34 .0108 .0077 .0109 .0148 .0034 .0058 .0045 |
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AlM3 .0987 .7500 .3769 .31 .0108 .0077 .0109 .0148 .0034 .0058 .0045 |
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Si1 .0807 .2479 .4765 .0064 .0052 .0064 .0061 .0003 .0010 -.0006 |
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Si2 .4023 .7496 .3350 .0053 .0056 .0046 .0058 .0004 .0025 -.0007 |
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Si3 .1521 .2467 .3127 .0055 .0042 .0069 .0051 .0004 .0018 .0001 |
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Si4 .3350 .7381 .1031 .0057 .0056 .0049 .0064 .0005 .0024 .0001 |
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Si5 .0771 .2505 .0772 .0059 .0061 .0051 .0049 -.0004 .0009 .0004 |
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O1a .1322 .4903 .4807 .0101 .010 .007 .014 -.003 .005 -.002 |
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O1b .3678 .5052 .5211 .0121 .009 .006 .022 -.001 .008 -.001 |
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O2a .0899 .4733 .2904 .0112 .013 .012 .011 .004 .007 .001 |
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O2b .0897 .0215 .2893 .0104 .009 .013 .012 -.003 .007 -.003 |
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O3a .3450 .9876 .2993 .0096 .007 .006 .010 -.002 -.001 .001 |
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O3b .3472 .5118 .2954 .0078 .005 .009 .009 -.004 .003 -.001 |
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O4 .2224 .7471 .4242 .0087 .009 .008 .009 -.002 .003 -.001 |
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O5 .2258 .2461 .4126 .0094 .008 .011 .009 .002 .003 .001 |
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O6 .2083 .2530 .2587 .0072 .006 .007 .011 .001 .006 .002 |
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O7 -.0101 .24969 .3976 .0173 .006 .013 .019 -.006 -.007 .010 |
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O8 -.0224 .73239 .3100 .0151 .011 .020 .018 .002 .010 .002 |
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O9 .4349 .7400 .4380 .0147 .013 .027 .008 -.001 .008 .003 |
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O10 .2789 .2483 .1614 .0072 .008 .005 .009 -.001 .004 .002 |
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O11 .2019 .7475 .2490 .0089 .009 .010 .008 .000 .004 -.001 |
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O12 .2692 .7544 .1471 .0075 .006 .009 .008 .001 .003 -.001 |
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O13 .1347 .4928 .1058 .0089 .009 .008 .007 -.001 .001 .001 |
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O14 .3917 .9758 .1246 .0089 .007 .009 .011 -.002 .005 -.001 |
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O15 .2758 .6711 .0046 .0115 .012 .014 .006 -.003 .002 -.001 |
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O16 .1335 .0108 .1145 .0091 .007 .006 .011 .001 .001 .001 |
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O17 .0323 .2178 -.0243 .0234 .034 .021 .006 -.014 .001 -.001 |
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O18 .4032 .5230 .1411 .0093 .012 .006 .009 .002 .004 .002 |
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O19 .0105 .2753 .1157 .0165 .012 .019 .023 -.002 .012 -.005 |
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H1 .21 .75 .31 .06 |
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H2 .25 .28 .10 .04 |
|
|
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|
| |
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Vishnevite |
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Della Ventura G, Bellatreccia F, Parodi G C, Camara F, Piccinini M |
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American Mineralogist 92 (2007) 713-721 |
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Single-crystal FTIR and X-ray study of vishnevite, ideally |
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[Na6(SO4)][Na2(H2O)2](Si6Al6O24) |
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Locality: Latium, Italy |
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Sample: Pi4 |
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_database_code_amcsd 0004320 |
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12.7228 12.7228 5.1980 90 90 120 P6_3 |
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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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Na1 2/3 1/3 .1333 .83 .034 .019 .019 .064 .010 0 0 |
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Na2 .1141 .2258 .2940 .35 .024 .017 .039 .023 .020 -.004 -.005 |
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K .1458 .2894 .2893 .43 .042 .038 .065 .032 .034 -.003 -.006 |
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Al .3384 .4144 .7570 .009 .009 .010 .008 .006 .000 .001 |
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Si .0834 .4134 .7562 .008 .008 .009 .008 .005 .000 .001 |
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S 0 0 .2918 .29 .045 .040 .040 .057 .020 0 0 |
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O1 .2019 .4044 .6799 .017 .010 .026 .018 .011 .002 .000 |
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O2 .1192 .5535 .7332 .023 .022 .014 .035 .011 .006 .004 |
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O3 .0386 .3599 .0419 .018 .014 .027 .011 .011 .002 .004 |
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O4 .3279 .3527 .0597 .017 .021 .024 .011 .015 -.001 .005 |
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O51 .0615 .1133 .6725 .22 .150 |
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O52 .0496 .1090 .9541 .25 .139 |
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O6 .6184 .3043 .6893 .33 .062 |
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O7 0 0 .0737 .22 .068 |
|
|
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|
| |
|
Stillwellite-(Ce) |
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Burns P C, Hawthorne F C, MacDonald D J, Ventura G D, Parodi G |
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The Canadian Mineralogist 31 (1993) 147-152 |
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The crystal structure of stillwellite |
|
_database_code_amcsd 0005293 |
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6.841 6.841 6.702 90 90 120 P3_1 |
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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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Ce .41184 -.00016 0 .49 .0042 .0050 .0040 .0033 .0020 -.0002 -.0002 |
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La .41184 -.00016 0 .35 .0042 .0050 .0040 .0033 .0020 -.0002 -.0002 |
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Nd .41184 -.00016 0 .07 .0042 .0050 .0040 .0033 .0020 -.0002 -.0002 |
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Th .41184 -.00016 0 .05 .0042 .0050 .0040 .0033 .0020 -.0002 -.0002 |
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Pr .41184 -.00016 0 .03 .0042 .0050 .0040 .0033 .0020 -.0002 -.0002 |
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Ca .41184 -.00016 0 .01 .0042 .0050 .0040 .0033 .0020 -.0002 -.0002 |
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Sm .41184 -.00016 0 .01 .0042 .0050 .0040 .0033 .0020 -.0002 -.0002 |
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Si .4167 .0001 -.5008 .0026 .0031 .0040 .0009 .0020 .0000 -.0004 |
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B -.1104 .0005 .0060 .0163 .0041 .0174 .0333 .0097 .0132 .0209 |
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O1 .1416 -.3961 -.0042 .0085 .0114 .0072 .0051 .0033 -.0011 -.0017 |
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O2 .5340 .3949 .0038 .0086 .0149 .0058 .0051 .0050 -.0003 -.0023 |
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O3a -.0037 .0562 -.7825 .0062 .0084 .0063 .0028 .0028 .0017 .0019 |
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O3b .0543 -.0012 .1194 .0062 .0084 .0063 .0028 .0028 .0017 .0019 |
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O4 .6571 -.1945 .0214 .0057 .0060 .0049 .0056 .0022 -.0013 .0018 |
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O5 .8493 .1963 -.0242 .0062 .0075 .0029 .0078 .0024 .0036 .0039 |
|
|
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|
| |
|
Roumaite |
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Biagioni C, Bonaccorsi E, Merlino S, Parodi G C, Perchiazzi N, |
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Chevrier V, Bersani D |
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The Canadian Mineralogist 48 (2010) 17-28 |
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Roumaite, (Ca,Na)3(Ca,REE,Na)4(Nb,Ti)[Si2O7]2(OH)F3, from Rouma Island, |
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Los Archipelago, Guinea: A new mineral species related to dovyrenite |
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Locality: Rouma Island, Los Archipelago, Guinea |
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_database_code_amcsd 0006312 |
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7.473 11.294 18.778 90 101.60 90 Cc |
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atom x y z occ Uiso |
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CaM2 .7429 .8755 .4796 .46 .0189 |
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NaM2 .7429 .8755 .4796 .30 .0189 |
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CaM3 .9903 .8751 .9799 .60 .0279 |
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NaM3 .9903 .8751 .9799 .15 .0279 |
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NaM4 .9896 .3753 .9803 .60 .0276 |
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CaM4 .9896 .3753 .9803 .35 .0276 |
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CeM5 .6436 .7056 .2894 .60 .0084 |
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NaM5 .6436 .7056 .2894 .40 .0084 |
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CaM6 .3355 .4524 .1683 .65 .0046 |
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CeM6 .3355 .4524 .1683 .175 .0046 |
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NaM6 .3355 .4524 .1683 .175 .0046 |
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CaM7 .6390 .7938 .7862 .68 .0086 |
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CeM7 .6390 .7938 .7862 .17 .0086 |
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NaM7 .6390 .7938 .7862 .17 .0086 |
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CaM8 .3338 .9550 .1708 .45 .0046 |
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CeM8 .3338 .9550 .1708 .275 .0046 |
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NaM8 .3338 .9550 .1708 .275 .0046 |
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NbM1 .7354 .6274 .9769 .55 .0258 |
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TiM1 .7354 .6274 .9769 .45 .0258 |
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Si1 .0832 .6998 .1176 .0168 |
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Si2 .5215 .7005 .1184 .0075 |
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Si3 .8807 .9544 .3398 .0095 |
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Si4 .4477 .9530 .3400 .0147 |
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O1 .3946 .6559 .7917 .0223 |
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O2 .3930 .0751 .3004 .0159 |
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O3 .6765 .9457 .3610 .0189 |
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O4 .5184 .5526 .9189 .0180 |
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O5 .0910 .5879 .1700 .0004 |
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O6 .3849 .8425 .2924 .0200 |
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O7 .3983 .5767 .3017 .0129 |
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O8 .2962 .7023 .0966 .0208 |
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O9 .5932 .8167 .1680 .0022 |
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O10 .3917 .9498 .4199 .0224 |
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O11 .0883 .8165 .1659 .0042 |
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O12 .9555 .6962 .0384 .0068 |
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O13 .5778 .6972 .0400 .0086 |
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O14 .5960 .5898 .1718 .0014 |
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F1 .7657 .4775 .0397 .75 .0176 |
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OH1 .7657 .4775 .0397 .25 .0176 |
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F2 .7031 .7061 .4160 .75 .0154 |
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OH2 .7031 .7061 .4160 .25 .0154 |
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F3 .7018 .7689 .9140 .75 .0164 |
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OH3 .7018 .7689 .9140 .25 .0164 |
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F4 .2697 .4544 .0397 .75 .0148 |
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OH4 .2697 .4544 .0397 .25 .0148 |
|
|
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|
| |
|
Kimzeyite |
|
Schingaro E, Scordari F, Capitanio F, Parodi G, Smith D C, Mottana A |
| |
European Journal of Mineralogy 13 (2001) 749-759 |
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Crystal chemistry of kimzeyite from Anguillara, Mts. Sabatini, Italy |
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Sample: AD collected with a point detector |
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Locality: Anguillara, Mts. Sabatini, Italy |
|
_database_code_amcsd 0006892 |
|
12.397 12.397 12.397 90 90 90 Ia-3d |
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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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Ca 1/8 0 1/4 .99 .0096 .0069 .0116 .0116 .000 .000 .0028 |
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Ba 1/8 0 1/4 .01 .0096 .0069 .0116 .0116 .000 .000 .0028 |
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Mg 0 0 0 .055 .0058 .0058 .0058 .0058 .0005 .0005 .0005 |
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Zr 0 0 0 .56 .0058 .0058 .0058 .0058 .0005 .0005 .0005 |
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Ti 0 0 0 .34 .0058 .0058 .0058 .0058 .0005 .0005 .0005 |
|
Fe 0 0 0 .04 .0058 .0058 .0058 .0058 .0005 .0005 .0005 |
|
Si 3/8 0 1/4 .45 .0064 .0053 .0070 .0070 .000 .000 .000 |
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Al 3/8 0 1/4 .27 .0064 .0053 .0070 .0070 .000 .000 .000 |
|
Fe 3/8 0 1/4 .28 .0064 .0053 .0070 .0070 .000 .000 .000 |
|
O .0362 .0499 .6536 .0105 .0163 .0103 .0078 -.0032 .0025 -.0015 |
|
|
| Download AMC data (View Text File)
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|
| |
|
Kimzeyite |
|
Schingaro E, Scordari F, Capitanio F, Parodi G, Smith D C, Mottana A |
| |
European Journal of Mineralogy 13 (2001) 749-759 |
|
Crystal chemistry of kimzeyite from Anguillara, Mts. Sabatini, Italy |
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Sample: CD collected with an area detector |
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Locality: Anguillara, Mts. Sabatini, Italy |
|
_database_code_amcsd 0006893 |
|
12.397 12.397 12.397 90 90 90 Ia-3d |
|
atom x y z occ Uiso |
|
Ca 1/8 0 1/4 .99 .0105 |
|
Ba 1/8 0 1/4 .01 .0105 |
|
Mg 0 0 0 .055 .0070 |
|
Zr 0 0 0 .56 .0070 |
|
Ti 0 0 0 .34 .0070 |
|
Fe 0 0 0 .04 .0070 |
|
Si 3/8 0 1/4 .45 .0070 |
|
Al 3/8 0 1/4 .27 .0070 |
|
Fe 3/8 0 1/4 .28 .0070 |
|
O .0354 .0501 .6533 .0110 |
|
|
| Download AMC data (View Text File)
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|
| |
|
Asbecasite |
|
Sacerdoti M, Parodi G C, Mottana A, Maras A, Ventura G D |
|
Mineralogical Magazine 57 (1993) 315-322 |
|
Asbecasite: crystal structure refinement and crystal chemistry |
|
_database_code_amcsd 0014499 |
|
8.318 8.318 15.264 90 90 120 P-3c1 |
|
atom x y z Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) |
|
Ca .5921 .5921 .75 .0083 .0076 .0076 .0095 .0036 -.0005 .0005 |
|
As .0187 .2950 .1027 .0089 .0078 .0073 .0100 .0026 -.0006 .0001 |
|
Ti 0 0 .25 .0072 .0061 .0061 .0094 .0031 0 0 |
|
Si 2/3 1/3 .0729 .0085 .0079 .0079 .0096 .0039 0 0 |
|
Be 1/3 2/3 .1309 .0091 .0069 .0069 .0135 .0034 0 0 |
|
O1 .8933 .7785 .1754 .0117 .0107 .0103 .0149 .0058 -.0026 -.0024 |
|
O2 .5362 .7217 .1743 .0099 .0089 .0110 .0114 .0061 -.0019 -.0029 |
|
O3 .5980 .4693 .1161 .0126 .0117 .0074 .0183 .0044 .0019 -.0012 |
|
O4 1/3 2/3 .0297 .0174 .0210 .0210 .0102 .0105 0 0 |
|
|
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View JMOL 3-D Structure
|
| |
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