10x8mm to 13x9mm Morganite (Pink Beryl) straight drilled Hexagon Tubes have exceptionally smooth polish on the hexagonal shapes with elongated barrel like bodies which exhibit a deeply saturated Pink hue providing for a beautifully made strand to be used full length or as singles due to the size of these lush slightly yellowish pink beads. Their color indicates their Variety of Beryl Species. Mohs Hardness is 7.5-8 which is very good.. AA grade 1mm drill hole