・One row contains 19-20 grains ・One grain size: about 9.5 x 6.7 x 6.7-12 x 8 x 8 mm ・Hole size: estimated around 0.5mm ・Color: lapis lazuli, dark blue. In some places, there are gold parts (pyrite), whitish parts (calcite), blue, and black of the raw stone. opaque stone. ・Mineral name: Lazurite ・Gem name: Lapis, Lazuli ・Co