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 

8.5mm: 42 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