Black Spinel Micro Faceted Center Drilled Rondelle Shape 3.10mm, Semi-Precious Gemstones For Jewelry Making

-Black Spinel micro faceted rondelle shape
-bead size is from 3.05 to 3.15mm
-hole size of bead is about .50mm
-strand length is 13 inches
-this listing is for one strand
-Black Spinel is a natural stone, no treatment
-machine cut in China