Obsidian Slabs for Knapping 4 Large and Thick 6 Lbs

Obsidian Slabs for Knapping 4 Large and Thick

Obsidian Slabs for Knapping 4 Large and Thick Total weight of the 4 slabs is about 6 lbs. The thickness on the one with the penny and going clockwise is about A) .563" thick or 14.31 MM Thick B) .512" thick or 13.00 MM Thick. C) .362" thick or 9.18 MM Thick D) .341" thick or 8.66 MM Thick A) is black and the other 3 have slight rainbow/silver sheen color to them. These slabs are thick as the average lapidary slabs I slab are about .230" - .300" Thick. The large slab from top to bottom is 11.25". I can ship in a medium flat rate box with postage for (13-5/8" x 11-7/8" x 3-3/8") for $12.80