Calcite
Ondrus P, Veselovsky F, Gabasova A, Hlousek J, Srein V, Vavrnn I,
Skala R, Sejkora J, Drabek M
Journal of the Czech Geological Society 48 (2003) 19-147
Primary minerals of the Jachymov ore district
Locality:  Jachymov, Bohemia, Czech Republic
_database_code_amcsd 0017593
4.9844 4.9844 17.0376 90 90 120 R-3c
atom     x y   z Biso
Ca       0 0   0 2.72
C        0 0 .25  2.7
O    .2596 0 .25 3.57