#2
P-1
Chalcanthite
CuSO4 • 5(H2O)
http://webmineral.com/data/Chalcanthite.shtml
CIF
http://rruff.geo.arizona.edu/AMS/download.php?id=12343.cif&down=cif
Crystal structure drawn with VESTA
K. Momma and F. Izumi, J. Appl. Crystallogr. 2011, 44, 1272-1276.
Cu – blue
S – yellow
O – red
H – white
CuO6 octahedra
SO4 tetrahedra