LapisLapis, or Lapis Lazuli, is a deep blue metamorphic rock used as a semi precious stone that has been prized since antiquity for its intense color. During the Renaissance, Lapis was ground and processed to make the pigment ultramarine for use in frescoes and oil painting. It is not a mineral, but a combination of minerals, including lazurite, calcite, sodalite and pyrite. Chips 5mm 10mm 80cm Strand 20cm strand Beads 8mm Round 25 pieces (large hole 2.