Hi guys wanted to share with u some knapping material I located real close its slag glass said to be a from early 1800's. Its as close to obsidian as we have here in NY...it ranges in colors from brown to black and green swirls ...suprisingly enough that most of it is solid with little to no bubbles!! Sorry about the pics I had a hard time editing them to fit the screen. I will try and get better pics and with some points or blades made from it. Thanks guys!
Russ