A variety of chalcedony, spotted chalcedony, or brecciated agate, is found in South Africa. Opaque to semitranslucent, the stone has a range of color tones including brown, red and cream. Chalcedony is a relatively hard stone measuring 6-1/2 to 7 on Mohs hardness scale. Consistent calibrated size with a nice polish.
Cabochons>Grade B>ChalcedonyCabochonsGrade BChalcedonyMulti-colored30x22mmOval22mmhttp://www.firemountaingems.com/itemdetails/h203264cbH203264CBCabochon, spotted chalcedony (natural), 30x22mm calibrated oval, B grade, Mohs hardness 6-1/2 to 7. Sold individually.//image1.fmgstatic.com/images/p3264cbb.jpg18.6418.64As Low As $9.84 per cabochon