Tetragonal - Scalenohedral Class (4 2 m) Mineral Species Listing
AXES
Synonyms: Sphenoidal Class, Chalcopyrite Type, Tetragonal Sphenoidal, Sphenoidal Hemihedral, Didigonal Scalenohedral, or Ditetragonal Alternating Class.
Space Groups in class: I42d, I42m, I4c2, I4m2, P421c, P421m, P42c, P42m, P4b2, P4c2, P4m2, and P4n2.
(* - Mineral Name is Not IMA Approved) (! - New Dana Classification Number Has Been Changed or Added) (? - IMA Discredited Mineral Species Name