Rocky Butte Jasper, slab, cabbing rough, lapidary W/ Original '74 Receipt Canada This is a unique Rocky Butte Jasper slab that is perfect for cabbing and lapidary work. The piece came from the United States and features beautiful variations in color and pattern that would make it a great addition to any collection. Included with the slab is an original receipt from 1974, adding to its historical value. This Jasper slab is a must-have for any collector or enthusiast of natural wonders. 3x2.5x.5"