Fresnoite
Chukanov N V, Kazheva O N, Fischer R X, Aksenov S M
 
Acta Crystallographica B79 (2023) S2052520622012045
Refinement of the crystal structure of fresnoite, Ba2TiSi2O8, from Lohley
(Eifel district, Germany); Gladstone-Dale compatibility, electronic polarizability
and vibrational spectroscopy of minerals and inorganic compounds with
pentacoordinated TiIV and a titanyl bond
Locality: Lohley, Eifel district, Germany
_database_code_amcsd 0021205
8.5104 8.5104 5.1975 90 90 90 P4bm
atom x y z Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Ba .32715 .82715 .00051 .00865 .00940 .00940 .00715 -.00491 -.00086 -.00086
Ti 0 0 .53608 .00667 .0071 .0071 .0057 0 0 0
Si .12793 .62793 .5130 .00767 .0087 .0087 .0055 .0013 -.0013 -.0013
O1 0 0 .2106 .0149 .0178 .0178 .0091 0 0 0
O2 0 .5 .6300 .0250 .035 .035 .0056 -.0220 0 0
O3 .1260 .6260 .2067 .0088 .0098 .0098 .0067 -.0013 -.0002 -.0002
O4 .2922 .5761 .6451 .0236 .0142 .0462 .0105 .0150 -.0035 -.0075
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Fresnoite
Moore P B, Louisnathan S J
Zeitschrift fur Kristallographie 130 (1969) 438-448
The crystal structure of fresnoite, Ba2(TiO)Si2O7
Positive polarity
Locality: sanbornite deposits of eastern Fresno County, California, USA
_database_code_amcsd 0010704
8.518 8.518 5.211 90 90 90 P4bm
atom x y z Biso
Ba .3272 .8272 0 .89
Ti 0 0 .5414 .17
Si .1282 .6282 .5207 .37
O1 0 .5 .6183 1.80
O2 .1236 .6236 .2125 .51
O3 .2896 .5762 .6584 1.29
O4 0 0 .2278 .94
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Fresnoite
Moore P B, Louisnathan S J
Zeitschrift fur Kristallographie 130 (1969) 438-448
The crystal structure of fresnoite, Ba2(TiO)Si2O7
Negative polarity
Locality: sanbornite deposits of eastern Fresno County, California, USA
_database_code_amcsd 0010705
8.518 8.518 5.211 90 90 90 P4bm
atom x y z Biso
Ba .3272 .8272 0 .89
Ti 0 0 .5385 .17
Si .1281 .6281 .5136 .39
O1 0 .5 .6091 1.66
O2 .1241 .6241 .2019 .47
O3 .2897 .5758 .6496 1.23
O4 0 0 .2178 .96
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Fresnoite
Masse R, Grenier J, Durif A
 
Bulletin de la Societe Francaise de Mineralogie et de Cristallographie 90 (1967) 20-23
Structure cristalline de la fresnoite
_cod_database_code 1007234
_database_code_amcsd 0015916
8.52 8.52 5.21 90 90 90 P4bm
atom x y z
Ba1 .173 .673 0
Ti1 0 0 .54
Si1 .63 .13 .52
O1 .09 .206 .655
O2 .618 .118 .21
O3 .5 0 .62
O4 0 0 .16
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