Polished Dendritic Agate - Madagascar Brucite or mostly dark

or mostly dark

Stunning Volcano Agate Skull - hand carved - pretty banding - UV reactive

Purchase is for 1 Palm Stone

It's a rock composed primarily of fluorite with smaller amounts of opal

63mm x 59mm x 8

Polished Dendritic Agate - Madagascar Brucite or mostly darkThis 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