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 BOnyxBlacks20x15mmOval15mmhttp://www.firemountaingems.com/itemdetails/h201705cbH201705CBCabochon, black onyx (dyed), 20x15mm calibrated oval, B grade, Mohs hardness 6-1/2 to 7. Sold per pkg of 2.//image1.fmgstatic.com/images/p1705cbb.jpg6.056.05As Low As $1.26 per cabochon