AM_Danburite_2
Formula: Ca B2 Si2 O8
Name: Danburite
Unit cell: 8.046 8.765 7.734 90.0 90.0 90.0 , V=545.43
Space group: PNAM (62)

Sugiyama K , Takeuchi Y , Zeitschrift fur Kristallographie , 173 (1985) p.293-304, Unusual thermal expansion of a B-O-bond in the structure of danburite CaB2Si2O8, Locality: Toroku mine, Miyazaki Prefecture, Japan, Note: AnisoB s from ICSD, Sample: T = 208 C