Kambaba Jasper is a sedimentary stone comprised of microcrystalline Quartz interlaced with Stromatolites — ancient fossilized colonies of primeval microorganisms. Stromatolites date back more than three billion years and are the oldest known fossils. Kambaba Jasper is one of the more exotic Jaspers, sometimes referred to as Crocodile Jasper for its deep green color and deep brown or black oval rings reminiscent of crocodile skin.  Approx. Strand Length: 8-inch  Origin: Africa  Treatment: Natural  Approx. Bead per Strand: 20  Also Known As: Kambaba Stone, Crocodile Jasper, Crocodile Stone Approx. Hole Diameter: 0.8 - 1.1mm  Metaphysical Attributes: Grounding, Protection  Mohs Hardness: 6.5-7