9x11mm to 9x14mm Multi Variety Beryl straight drilled Hexagon Tubes have exceptionally smooth polish on the hexagon shapes with elongated hexagon barrel like bodies which exhibit moderately saturated hues of Yellow, Blue, Pink, and Green providing beautifully made coloring on the strand which can be used full length or as singles due to the larger size of these fabulous beads. 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