Berndtite-2T
Hazen R M, Finger L W
American Mineralogist 63 (1978) 289-292
The crystal structures and compressibilities of layer minerals at high
pressure.  I. SnS2, berndtite
P = 30 kbar
_database_code_amcsd 0000627
3.605 3.605 5.460 90 90 120 P-3m1
atom   x   y     z Biso
Sn     0   0     0  1.9
S    2/3 1/3 -.271  2.1