Rutile Novo Horizonte, Bahia, Brazil 19 x 14 x 6 cm From ...
Description: Rutile Novo Horizonte, Bahia, Brazil 19 x 14 x 6 cm From the Images catalogue: "The golden rutile needles (a titanium oxide) on this specimen are arranged in six-ray stars, the arms at 60° to each other. This arrangement is being controlled by the crystal atomic structure of the central black hematite (an iron oxide) plates at the stars’ centres."