AM_Klockmannite
Formula:
Cu Se
Name:
Klockmannite
Unit cell:
3.938 3.938 17.25 90.0 90.0 120.0 , V=231.67
Space group:
P63/MMC (194)
Berry L G , American Mineralogist , 39 (1954) p.504-509, The crystal structure of covellite, CuS and klockmannite, CuSe