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 BOnyxBlacks4mmRound4mmhttp://www.firemountaingems.com/itemdetails/h201682cbH201682CBCabochon, black onyx (dyed), 4mm calibrated round, B grade, Mohs hardness 6-1/2 to 7. Sold per pkg of 16.//image1.fmgstatic.com/images/p1682cbb(3).jpg7.187.18As Low As $0.20 per cabochon