I have about 25lbs of Arizona obsidian, black with some gray streaks. I need to get rid of it. I can get more if you need, but I don't like it laying around, as I am not a knapper, and have limited space. Not picky but I really could use a new draw knife. Small and of good quality, can be dull and rusted, preferably no chips or no large chips in the edge. I can also always take snake skins and feathers.