Ethiopian Opal Micro Faceted Center Drilled Rondelle Shape 4.25mm, Semi-Precious Gemstones For Jewelry Making

-Ethiopian Opal micro faceted rondelle shape
-bead size is from 4mm to 4.50mm
-hole size of bead is about .50mm
-strand length is 13 inches
-this listing is for one strand
-Ethiopian Opal is a natural stone, no treatment