Bead size: 6mm, 7.5-8mm, 8mm, 9mm, 10mm, and 12mm; please choose size from the drop down list when purchasing. Strand length: approximately 15.5" Price is per strand.
Guaranteed genuine 100% natural Black Tourmaline Rutile Quartz not treated in any way... There are lots of black tourmaline rutiles wildly growing within the clear quartz!