Necklace (c152)-6mm Black Onyx Gemstone Faceted Loose Beads 14 2/3" Type: Loose beads Stone: Black Onyx Gemstone Quantity: 1Strand Shape: Faceted Round Stone Detail: Natural Total Weight: 19.278 gram. Length Per Strand: approx 14 2/3" Beads Dimension: approx 6mm Hole Size: 0.95mm Conversion: 1mm=0.039 inch,1 inch=25.41mm