Millefiori Glass Slabs Flintknapping Slabs. Lapidary Millefiori slabs, Green Millefiori Glass Bkack These are various verity obsidian

These are various verity obsidian preforms and are 5/16 to 3/8" thick and ready to knapp

They make beautiful knife handles when finished

One abradder

The scrunched really helps achieve those perfectly strait sides

These are small nodules and unlike alot of other flints that the best material is near the cortex you want to work this material to the  center

Millefiori Glass Slabs Flintknapping Slabs. Lapidary Millefiori slabs, Green Millefiori Glass Bkack These are various verity obsidianThese are Millefiori Glass slabs. Size is 4 3 8 long x 1 3 8 wide and 5 16 to 3 8" thick and ready to knapp. These make beautiful points, blades and pendants.