Royal Imperial Jasper Slab Lapidary Stone Slice Cut Rock Lattice Lace Agate the orbicular area is dark

the orbicular area is dark enough you cannot fully make out the structure

so it does not take a mirror polish and can have the occasional fracture

Here is a gorgeous box of Mexican Rainbow Obsidian

Originally discovered by Martin Kramer

Royal Imperial Jasper Slab Lapidary Stone Slice Cut Rock Lattice Lace Agate the orbicular area is darkRoyal Imperial Jasper Rare Old Stock Jasper with Orb Patterns from Mexico Royal Imperial Jasper is a rare and highly collectible variety of Imperial Jasper, renowned for its distinctive egg like orb formations and exceptional polishability. Mined near San Cristobal, Mexico, this material is considered one of the "Five Fine Jaspers"an elite group of old stock jaspers that includes Bruneau Jasper, Morrisonite, Willow Creek, and Blue Mountain Jasper.