Polished Dendritic Agate - Madagascar cab 25in x 3in x 1

25in x 3in x 1

one-of-a-kind gems

with some featuring lovely drusy pockets

Size: 7in x 4in x 3

sometimes even displaying blue hues in specimens from Pakistan

Polished Dendritic Agate - Madagascar cab 25in x 3in x 1This 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