Schwefel
orthorhombic dipyramidal
this crystal shows 30 faces
pinacoid {100}      d = 1.00   2 faces
pinacoid {010}      d = 1.02   2 faces
pinacoid {001}      d = 1.600   2 faces
orthorhombic prism {101}      d = 1.000   4 faces
orthorhombic prism {103}      d = 1.450   4 faces
orthorhombic prism {011}      d = 1.000   4 faces
orthorhombic prism {013}      d = 1.450   4 faces
orthorhombic dipyramid {111}      d = 1.300   8 faces
unit cell :  a = 10.44  b = 12.84  c = 24.37