Pyrite, Hematite - Rio Mine (Rio Marina Mine), Italy - 55 x 52 mm
Mineral:
Pyrite, Hematite
Dimensions:
55 x 52 mm
Description:
It looks like an octahedron, but it is actually a pseudoicosahedron (5 contiguous triangular faces: 3 equilateral and 3 isosceles).
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