Oregon Ledge Jasper Jasper is an opaque, microcrystalline form of quartz. As with any microcrystalline quartz, it is hard and takes an excellent polish with cerium or tin oxide.
Two slab parcel measures approximately 4-1/4" x 1-3/4" x 9/32" thick and 4-3/8" x 2" x 5/16" thick .
Three slab parcel measures approximately 1 at 5/16" thick and 2 at 7/32" thick.
Two slab parcel measures approximately 2-5/8" x 2-3/8" x 9/32" thick and 2-7/8" x 2-1/2" x 1/4" thick.
Two slab parcel measures approximately 2 at 1/4" thick.
Measures approximately 4" x 3" x 1/4" thick.
Measures approximately 3" x 2-3/4" x 9/32" thick.