Galaxy Galactica Rhyolite Slab Lapidary Stone Slice Cut Rock Semi-Precious Most of this is black

Most of this is black obsidian

or black skin over the pattern

and there should be no waste in this material

What makes Baltic amber especially valuable is its exceptional clarity and ability to preserve prehistoric life

South Africa

Galaxy Galactica Rhyolite Slab Lapidary Stone Slice Cut Rock Semi-Precious Most of this is blackGalaxy Orbicular Rhyolite is a form of volcanic rhyolite from near Michoacan de Ocampo, Mexico. It can have a great amount of color variation from chunk to chunk, but they all have those iconic orbs that people love so much! Galaxy Rhyolite is a new one to us, and we are still learning to work with it, but from our own personal cutting, it appears that it will need to be treated in order to cab, due to hardness differences and potential naturally