Polished Dendritic Agate - Madagascar cab sometimes even displaying blue hues

sometimes even displaying blue hues in specimens from Pakistan

with various patterns and swirls

providing a mesmerizing

Beautiful Pyrite heart

25in x 3in x 1

Polished Dendritic Agate - Madagascar cab sometimes even displaying blue huesThis 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