Doubly terminated floater Columbite xl

Item Description

An extremely fine floater doubly terminated minature crystal of the Columbite-(Fe)-Columbite-(Mn) Series. The splendent jet-black metallic orthorhombic crystal has sharp terminations and is complete all-around. A couple of contacts are noted, but there is no damage, per se. A classic and excellent columbite, for the size, from Minas Gerais.