Heres the pics of some of my rocks and minerals. If you click on any picture it should show enlarged on your screen. Some of these materials have been and are still used for knapping.
Pic 1 petrified wood from Eden Valley, Wyoming
Pic 2 petrified wood Eden Valley, Wyoming-note the preserved growth rings
Pic 3 petrified wood Eden Valley, Wyoming-again, note the reserved growth rings.
Pic 4 thru 7 agate Rabbit Valley, Colorado
Pic 8 thru 13 Oregon beach agate
Pic 14 petrified wood, Colorado -note knot
Pic 15 petrified wood, Colorado-note preserved growth rings
Pic 16 Mojave jasper Mojave desert, California
Pic 17 native copper crystals Houghton, Michigan
Pic 18 Montana agate Yellowstone river, Montana
Pic 19 crazy lace agate Mexico
Pic 20 Laguna agate Mexico
Pic 21 Moab jasper Moab, Utah
Pic 22 Moab jasper Moab, Utah
step by step dovetail...
6 minutes ago