Natural Iolite Micro Faceted Center Drilled Rondelle Shape 3.35mm, Semi-Precious Gemstones For Jewelry Making

-Iolite micro faceted rondelle shape
-bead size is from 3.30mm to 3.40mm
-hole size of bead is about .50mm
-strand length is 13 inches
-this listing is for one strand
-Iolite is a natural stone, no treatment