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
	9.547 9.547 6.991 90 90 120 P6_3
	atom x y z occ Biso
	Si1 .3990 .3718 .2513 .93 .68
	B1 .3990 .3718 .2513 .03 .68
	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
	U1 1/3 2/3 -.0048 .01 .85
	Ca1a 2/3 1/3 .0001 .49 .82
	Y1a 2/3 1/3 .0001 .02 .82
	La1a 2/3 1/3 .0001 .11 .82
	Ce1a 2/3 1/3 .0001 .21 .82
	Pr1a 2/3 1/3 .0001 .02 .82
	Nd1a 2/3 1/3 .0001 .06 .82
	Sm1a 2/3 1/3 .0001 .01 .82
	Th1a 2/3 1/3 .0001 .07 .82
	U1a 2/3 1/3 .0001 .01 .82
	Ca2 .2378 -.0116 .25 .49 .87
	Y2 .2378 -.0116 .25 .02 .87
	La2 .2378 -.0116 .25 .11 .87
	Ce2 .2378 -.0116 .25 .21 .87
	Pr2 .2378 -.0116 .25 .02 .87
	Nd2 .2378 -.0116 .25 .06 .87
	Sm2 .2378 -.0116 .25 .01 .87
	Th2 .2378 -.0116 .25 .07 .87
	U2 .2378 -.0116 .25 .01 .87
	O1 .3229 .4886 .2532 1.45
	O2 .5940 .4695 .2569 1.78
	O3 .3168 .2431 .4218 2.11
	O3a .3580 .2604 .0595 1.35
	OH4 0 0 .2359 .12 5.38
	F4 0 0 .2359 .88 5.38
	Download AMC data (View Text File) Download CIF data (View Text File) Download diffraction data (View Text File) View JMOL 3-D Structure (permalink)
	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
	9.682 9.682 7.066 90 90 120 P6_3
	atom x y z occ Biso
	Si1 .4007 .3728 .2564 .85 .68
	P1 .4007 .3728 .2564 .13 .68
	Na1 1/3 2/3 -.0039 .25 .85
	Ca1 1/3 2/3 -.0039 .17 .85
	La1 1/3 2/3 -.0039 .24 .85
	Ce1 1/3 2/3 -.0039 .28 .85
	Pr1 1/3 2/3 -.0039 .02 .85
	Nd1 1/3 2/3 -.0039 .04 .85
	Na1a 2/3 1/3 .0060 .25 .82
	Ca1a 2/3 1/3 .0060 .17 .82
	La1a 2/3 1/3 .0060 .24 .82
	Ce1a 2/3 1/3 .0060 .28 .82
	Pr1a 2/3 1/3 .0060 .02 .82
	Nd1a 2/3 1/3 .0060 .04 .82
	Ca2 .2364 -.0133 .25 .23 .87
	La2 .2364 -.0133 .25 .33 .87
	Ce2 .2364 -.0133 .25 .37 .87
	Pr2 .2364 -.0133 .25 .02 .87
	Nd2 .2364 -.0133 .25 .05 .87
	O1 .3246 .4868 .2589 1.45
	O2 .5929 .4693 .2539 1.78
	O3 .3120 .2445 .4174 2.11
	O3a .3650 .2650 .0633 1.35
	OH4 0 0 .1771 .12 5.38
	F4 0 0 .2359 .88 5.38
	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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