Pyrite - Merelani Hills, Lelatema Mountains, Tanzania - 2.5 x 2.5 cm.
Mineral: Pyrite
Locality: Merelani Hills, Lelatema Mountains, Simanjiro District, Manyara Region, Tanzania
Dimensions: 2.5 x 2.5 cm.

Description: The faces: cube (c), octahedron (o), pyritohedron (p) and trapezohedron=tetragon-trioctahedron (t).