These are roughcuts of Mexican Birdseye Jasper, sourced from Northern Mexico. This material is actually a rhyolite rather than a true jasper was first found in Chihuahua, Mexico, in the late 1960s. And comprised of quartz/chalcedony often featuring onyx-like or translucent banded & orbicular patterning.
Slab A-4 1/2" x 3 1/4" x 7.54 mm, weight 128 grams Slab B-4 1/2" x 3 1/4" x 7.69 mm , weight 146 grams Slab C-3 1/2" x 3 " x 8.02 mm, weight 110 grams Slab D-4" x 3 1/2" x 7.98 mm, weight 136 grams Slab E-4" x 3 1/2" x 7.55 mm, weight 147 grams
