RARE Fire Glass Buttes Obsidian Rough Chunk Lapidary Stone Magnetite New Water Agate I am honestly unsure of

I am honestly unsure of what its composition is

It makes some pretty unique cabochons

Sodalite is a well renowned blue tectosilicate lapidary material

Still plenty of cutting room

Individual chunks photographed were some picked for photograph from the random pull pile

RARE Fire Glass Buttes Obsidian Rough Chunk Lapidary Stone Magnetite New Water Agate I am honestly unsure ofFire Obsidian is a bright fiery flash, which can sometimes contain other bright colors. It tends to run along a strand, and takes a lot of practice, patience, and skill to cut slabs and cabs of it. It is one that is recommended for lapidary veterans. Fire Obsidian gets the color and flash from magnetite, which are tiny microscopic metal flecks, that are embedded within the volcanic glass. Fire Obsidian is easily one of the most rare forms of obsidian