Polished Dendritic Agate - Madagascar dragon skull While not gem-grade

While not gem-grade

obsidian is an amorphous volcanic glass that lacks a crystalline structure

The intricate growth patterns and excellent termination points make this a superb representative example of this arsenate mineral

B) Chevron/Dream Amethyst

revealing the pure

Polished Dendritic Agate - Madagascar dragon skull While not gem-gradeThis 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