Snowflake Obsidian Slab! Lapidary Stone Slab! Fossil Coral Among those included are: Large

Among those included are: Large Gem Dinosaur Bone

and it also takes a mirror grade polish as it is a volcanic glass

Does have some saw marks

Sodalite is a well renowned blue tectosilicate lapidary material

Snowflake Obsidian Slab! Lapidary Stone Slab! Fossil Coral Among those included are: LargeSnowflake Obsidian is a gorgeous form of Obsidian with inclusions of Cristobalite, which create the snowflake like appearance! It takes an excellent polish, with the beautiful white snowflakes on a black background, this helps it work into some amazing and captivating cabochons! Obsidian can also be great for knapping! Measurements (inches longest approx): 6 x 5. 3 x . 32 The last photo has been taken dry so that you may see any defects. The other