Uruguay Sodalite Rough Chunk! Big Diggin Fire Obsidian is a form

Fire Obsidian is a form of Rainbow Obsidian that has a unique optical effect where the rainbow typically remains circular and shifts around the stone while turning it slowly

and Blue Mountain Jasper being the other 4

Weight: Approx 15

5 oz Polished display specimen showing some high grade flash

It has so many different patterns and colors to work with

Uruguay Sodalite Rough Chunk! Big Diggin Fire Obsidian is a formUruguay Sodalite is known for having much deeper blue than most any other type of Sodalite! Sodalite is a well renowned blue tectosilicate lapidary material! It gets its name due to its high sodium content. It tends to work into great cabochons, and takes a great polish. It has historically been mistaken for Lapis Lazuli, due to the bright blue contrast both stones can have. Weight: Approx 5 lbs 5. 8 oz Measurements (inches longest approx): 6. 5 x 5.