14x12mm to 18x15mm Multiple Variety Beryl straight drilled plain nuggets are superbly polished showing a vitreous luster on their translucent to opaque bodies and are generously cut for a thick width. 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. 1mm drill large hole diameter