The crystal forms on this specimen of light blue fluorite from China are so modified that it is hard to distinguish the underlying forms - except for one perfectly-formed and sharp octahedron on one side of the specimen! There are pretty little gemmy poker-chip calcites accenting the area of the octahedron. No damage, just a landscape of micro-stepped faces intermixed with small flat faces, and the one octahedron. Ex. Smale collection.