Necklace (c190)-40X30MM Chrysocolla Gemstone Oval Loose Beads 15 1/2" Type: Loose Beads Stone: Dyed Chrysocolla Gemstone Quantity: 1 Strand Shape: Oval Total Weight: 172.0845 gram. Length Per Strand: approx 15 1/2" Beads Dimension: approx 40X30MM Conversion: 1mm=0.039 inch,1 inch=25.41mm