Locality: Valdeperillo, Cornago, La Rioja, Spain
Size: 51 mm x 44 mm x 31 mm (2.0 in. x 1.7 in. x 1.2 in.)
Weight: 90 g (3.2 oz.)
Cubic pyrite specimen from Valdeperillo, with one 10 mm crystal on matrix. The crystal is well-formed, with a golden yellow reflective surface, and sharp edges.