Polished Dendritic Agate - Madagascar yooperlite-like shattuckite is orthorhombic

shattuckite is orthorhombic

Shattuckite with Chrysocolla on quartz specimen from Namibia

Beautiful Tumbled Fire Agate from Calvillo Mines of Aguascalientes

When light passes through the stone

Polished Dendritic Agate - Madagascar yooperlite-like shattuckite is orthorhombicThis Polished Dendritic Agate is a striking mineral specimen sourced from the rich, diverse geological deposits of Madagascar. As a semi translucent variety of chalcedony quartz, this material is defined by its complex, tree like or fern like inclusions trapped inside a clear to milky silica body. These delicate structures are formed by a process known as dendritic branching, which occurs when iron and manganese rich mineral fluids seep into micro