Prehnite Faceted Center Drilled Coin Shape 4.15mm, Semi-Precious Gemstones For Jewelry Making

-Prehnite faceted coin shape
-bead size is from 4.10mm to 4.20mm
-hole size of bead is about .50mm
-strand length is 13 inches
-this listing is for one strand
-Prehnite is a natural stone, no treatment