Snowflake Obsidian Slab! Lapidary Stone Slab!

Snowflake Obsidian is a gorgeous form of Obsidian with inclusions of Cristobalite, which create the snowflake like appearance!  It takes an excellent polish, and works into some amazing cabs!  Obsidian can also be great for knapping!     Measurements (inches - longest - approx): 3.7 x 2.2 x .23   The last photo has been taken dry so that you may see any defects. The other photos have been taken wet and in natural lighting to simulate a polish.