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 JadeGreens40x30mmOval30mmhttp://www.firemountaingems.com/itemdetails/h201532cbH201532CBCabochon, nephrite jade (natural), 40x30mm calibrated oval, B grade, Mohs hardness 6 to 6-1/2. Sold individually.//image1.fmgstatic.com/images/p1532cbb.jpg50.7850.78As Low As $29.21 per cabochon