Chrysoberyl Beads Faceted Flat Drop Shape Graduated From 4X6mm To 4.5X7mm. This Rare Yellow-Green Gemstone Minerals Deposits Mined Together With Alexandrite, Which Is A Rare And One Of The Most Expensive Gemstone (More Expensive Than Fine Ruby) Sold by 8 Inch Strand With 35-37 Beads Per Strand. Some Strands May Have More Beads And Larger Beads. Price Per Strand.