Berborite
Giuseppetti G, Mazzi F, Tadini C, Larsen A O, Asheim A, Raade G
Neues Jahrbuch fur Mineralogie, Abhandlungen 162 (1990) 101-116
Berborite polytypes
Locality: Saga I larvikite quarry, Morje, Porgrunn, Tvelan District, Norway
Sample: 1T polytype
Note: anisoU's from ICSD
_database_code_amcsd 0014716
4.434 4.434 5.334 90 90 120 P3
atom     x      y     z occ Biso U(1,1) U(2,2) U(3,3) U(1,2)  U(1,3)  U(2,3)
BeA    2/3    1/3 .6085      .66 .00660 .00660 .01184 .00330       0       0
BeB    1/3   -1/3 .4030      .66 .00680 .00680 .01146 .00340       0       0
B        0      0    .5      .58 .00499 .00499 .01215 .00249       0       0
O1   .3089 -.0001    .5      .74 .00442 .00502 .01879 .00249 -.00065 -.00124
O2A    2/3    1/3 .9089     1.48 .02275 .02275 .01071 .01138       0       0
O2B    1/3    2/3 .0924     1.61 .02533 .02533 .01059 .01267       0       0
HA   -.438   .427  .983 1/3  3.5
HB    .459  -.444  .020 2/3  3.5