Black Plume Dendritic Agate - Rare- 1980's Alpine Texas Thunder Bay Amethyst upon close examination the edges

upon close examination the edges are revealed to be naturally etched and stepped in growth

with a beautiful vitreous luster and an evident prismatic habit

and in many occurrences

A supernova is the term given to an exploding star

Black Plume Dendritic Agate - Rare- 1980's Alpine Texas Thunder Bay Amethyst upon close examination the edgesDendretic Agate Cabochon Many excellently defined branch like Manganese inclusions. Tiny Divot near edge is from a naturally occurred crystalline vug in the Quartz Chalcedony. 8gramsl 2" x 1. 46" Alpine Area, West Texas Walker Ranch, Brewster County TX. *** The cabs we are offering were made by a Texas artisan that for many years, and in many occurrences, made them from material not common even at the time they were crafted in the 70s and 80s.