Tiger Iron (Stromatolite) Polished Slab – Australia – 450g unheated tanzanite Measurements: 70mm x 49mm x

Measurements: 70mm x 49mm x 36mm

Beautiful pyrite mineral specimen on the host rock from Spain

This Tanzanite Crystal has a natural color and very gemmy

This interesting green demantoid garnet crystal sits in the center of the matrix in this specimen

almost like a mountain range

Tiger Iron (Stromatolite) Polished Slab – Australia – 450g unheated tanzanite Measurements: 70mm x 49mm xA striking polished slab of tiger iron displaying bold, flowing bands of deep red, golden metallic, and dark iron rich layers. The natural banding creates a dynamic, wave like pattern across the surface, enhanced by the polish which brings out strong reflectivity in the golden layers. This material is composed primarily of hematite, jasper, and tigers eye, giving it both rich color contrast and a unique chatoyant shimmer in areas. The layered