Matte Multi Beryl 16mm plain round beads are superbly polished showing a frosted luster on their opaque bodies. Their color indicates their Variety of Beryl Species; Yellow is Heliodor, Pink is Morganite, White is Goshenite, Green depending on its saturation is Green Beryl or Emerald, and Blue or Greenish Blue is Aquamarine. Mohs Hardness is 7.5-8 which is very good. 1.5mm large drill hole beads, consistent diameter