Wadalite
Mihajlovic T, Lengauer C L, Ntaflos T, Lolitsch U, Tillmanns E
Neues Jahrbuch fur Mineralogie, Abhandlungen 179 (2004) 265-294
Two new minerals, rondorfite, Ca8Mg[SiO4]4Cl2, and almarudite,
K(box,Na)2(Mn,Fe,Mg)2(Be,Al)3[Si12O30], and a study of iron-rich wadalite,
Ca12[(Al8Si4Fe2)O32]C16, from the Bellerberg (Bellberg) volcano, Eifel, Germany
Locality: Bellerberg volcano lava field, 2 km N of Mayen,
Eastern Eifel volcanic area, Eifel, Germany
_database_code_amcsd 0014725
12.0343 12.0343 12.0343 90 90 90 I-43d
atom      x      y      z  occ   Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
CaM  .10461      0    .25      .00965 .00924 .00832 .01138      0      0 .00175
SiT2 .23312 .23312 .23312 .485  .0058 .00583 .00583 .00583 .00034 .00034 .00034
AlT2 .23312 .23312 .23312 .331  .0058 .00583 .00583 .00583 .00034 .00034 .00034
FeT2 .23312 .23312 .23312 .165  .0058 .00583 .00583 .00583 .00034 .00034 .00034
TiT2 .23312 .23312 .23312 .019  .0058 .00583 .00583 .00583 .00034 .00034 .00034
AlT1   .375      0    .25 .788  .0074  .0057 .00820 .00820      0      0      0
SiT1   .375      0    .25 .050  .0074  .0057 .00820 .00820      0      0      0
FeT1   .375      0    .25 .049  .0074  .0057 .00820 .00820      0      0      0
MgT1   .375      0    .25 .113  .0074  .0057 .00820 .00820      0      0      0
O1   .06319 .06319 .06319       .0142  .0142  .0142  .0142  .0033  .0033  .0033
O2   .03132 .05061 .64877       .0130  .0130  .0108  .0152  .0011 -.0020  .0015
Cl1    .875      0    .25 .949  .0206  .0085  .0267  .0267      0      0      0