Cabochon is cut and polished from natural green nephrite jade, used for centuries for its green color, true-grit hardness and classic beauty. Cabochons can include green shades ranging from medium to dark with black inclusions. Major deposits are found in British Columbia, Canada. Grades vary dependent on availability of rough material.
Cabochons>Grade B>Nephrite JadeCabochonsGrade BNephrite JadeGreens16x12mmOval12mmhttp://www.firemountaingems.com/itemdetails/h201528cbH201528CBCabochon, nephrite jade (natural), 16x12mm calibrated oval, B grade, Mohs hardness 6 to 6-1/2. Sold individually.//image2.fmgstatic.com/images/p1528cbb.jpg12.5512.55As Low As $6.09 per cabochon