These Pyrite “Iron Cross Twin” crystals display classic intergrown cubic forms with sharply defined faces and distinctive stepped growth patterns. The crystals exhibit a deep metallic bronze to dark steel-grey coloration with a subdued metallic luster, accented by natural surface striations and subtle oxidation along edges and recesses. Each twin shows strong geometric symmetry, with the intersecting crystal habits creating bold, sculptural forms that are instantly recognizable to collectors. The group presents a pleasing range of sizes, offering visual depth and contrast while maintaining consistent crystal quality throughout. Please refer to the images for the best representation of this specimen. The pieces are in good condition.
