This 2x2.5 cm, 37 gram Taenite xl is an unequal combination of a positive and negative tetrahedron! One would have expected them to be in equal development to give an octahedron. Mark Mauthner photo, RWMW collection
This Photo was Mindat.org Photo of the Day - 14th Jul 2006
This Photo was Mindat.org Photo of the Day - 14th Jul 2006
This photo has been shown 1088 times