Locality: Tharsis, Alosno, Huelva, Andalusia, Spain
Size: 42 mm x 29 mm x 24 mm (1.6 in. x 1.1 in. x 0.9 in.)
Weight, including base: 31 g (1.1oz.)
Black goethite with nice iridescence, most notably in tones of blue, purple and green. Comes mounted on a removable white plastic base.