Lapis is a deep blue semi-precious stone that has been used for centuries in jewelry and other decorative items. It is also known as Lazuli, which is the 6 letter crossword solution for Lapis. The stone is composed of several minerals, including lazurite, calcite, and pyrite, and is often found in shades of blue, purple, and green. Lapis has been used in many cultures throughout history, from Ancient Egypt to the Renaissance, and is still popular today.