BEADNOVA 10mm Egyptian Grade AAA Natural Deep Blue Lapis Lazuli Gemstone Gem Round Loose Beads for Jewelry Making (38-40pcs/1 Strand) Gemstone/ Material: Deep Blue Lapis Lazuli Size: 10mm; Hole Size: 1.2mm Quantity: 1 Strand (15.5 inches / Strands ; 38~40 pcs / Strand) Condition: AAA Top Quality, Smooth, Excellent Polishing Lapis lazuli beads are made from stone comprised mostly of lazurite, which gives it its blue color. Lapis also usually contains gold pyrite, white calcite, blue sodalite, and small amounts of other elements.They are often referred to as "color enhanced" and are generally duller than undyed beads.If you want the color of the beads in your jewelry to last, choose Beadnova natural lapis lazuli gemstone beads.