•Weight: 229g
•Size: 5.45 × 4.77 × 3.65 cm
•Origin: Palo Arañado Mine, Chivor, Boyacá, Colombia
•Crystal habit: Pyritohedron with minor cubic modifications
•Surface: High metallic lustre with deep striations
•Iridescence: Blue-violet tones on several faces (natural, not treated)
•Matrix: Pale calcite with minor staining, solid and stable
•Display: Upright orientation, needs no stand