Locality: Valdeperillo, Cornago, La Rioja, Spain
Size: 56 mm x 35 mm x 31 mm (2.2 in. x 1.4 in. x 1.2 in.)
Weight: 56 g (2 oz.)
Cubic pyrite crystals on matrix. To 17 mm. The pyrite is a golden metallic color and has sharp edges. The crystals have a few small contacts, as can be seen in the photos.