African Bloodstone, Semi-Precious Stone, Available in Multiple Sizes

4mm: 82 pieces per strand, hole size approx. 0.8mm 

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

8.5mm: 40 pieces per strand, hole size approx. 1mm 

10mm: 35 pieces per strand, hole size approx. 1mm 

12mm: 30 pieces per strand, hole size approx. 1mm