4mm Black Onyx Smooth Round Beads / 15" Strand / natural dyed / smooth round beads

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Black Onyx is an opaque chalcedony quartz and has a fine texture and jet black coloring. These beads are smooth round beads with a high gloss polished luster. 4mm beads - the hole size is 0.8mm - big enough for a 24 AWG wire but may or may not fit a 20 AWG wire. These beads may not be perfectly round and can range in diameter +/-0.5mm. Item Specs: Natural Stone Bead Source: China Possible Treatments - dyed, heat treated Nominal Diameter: 4mm Hole ID: 0.8mm 15" Strand (90-100 bead count) Temporarily Strung Show more