Cut from natural black onyx rough, most of this material is dyed to assure uniform blackness. Extremely well cut and polished. Black onyx has traditionally been used to banish grief and enhance self control.
Cabochons>Grade B>OnyxCabochonsGrade BOnyxBlacks38mmRound38mmhttp://www.firemountaingems.com/itemdetails/h201694cbH201694CBCabochon, black onyx (dyed), 38mm calibrated round, B grade, Mohs hardness 6-1/2 to 7. Sold individually.//image1.fmgstatic.com/images/p1694cbb.jpg8.328.32As Low As $3.76 per cabochon