#67
Cccm
Example – Johachidolite, CaAl[B3O7]
Named for the locality, Johachido district, Noth Korea
Johachidolite, CaAl[B3O7], a mineralogical and structural peculiarity, Locality: Mogok district, Myanmar
Kadiyski M , Armbruster T , Gunther D , Reusser E , Peretti A
European Journal of Mineralogy , 20 (2008) p.965-973
http://webmineral.com/data/Johachidolite.shtml
CIF
http://rruff.geo.arizona.edu/AMS/download.php?id=08009.cif&down=cif
AlO6 octahedra (blue)
BO4 tetrahedra (pink)
Ca (green)