Natural Blue Chalcedony Faceted Center Drilled Tire Shape, Graduated Size 6mm to 7.50mm, Semi-Precious Gemstones For Jewelry Making

-Blue Chalcedony faceted tire shape
-bead size is graduated from 6mm to 7.50mm
-hole size of bead is about .40mm
-strand length is 8 inches
-this listing is for one strand
-Blue Chalcedony is a natural stone, no treatment