I got it bad and know it. every place I go, I'm looking for material, bow wood, arrow wood, rocks you name it. my son came home with a rock the other day, and asked if it would work for me to make points out of. I told him it looked pretty hard, however i managed to get a point. I was going to put it in ABO but I ended up using a nail for final edge work. I think its a quarts material of some kind but not sure. Thanks for looking. Ed