Blue Spot Jasper, Semi-Precious Stone, Available in 5 Sizes

4mm :90+pieces per strand, hole size approx. 1mm 

6mm : 60 pieces per strand, hole size approx. 1mm 

8mm: 45 pieces per strand, hole size approx. 1mm 

10.5mm:35 pieces per strand, hole size approx. 1mm 

12mm: 32 pieces per strand, hole size approx. 1mm