Details Material: Rainbow Fluorite Hole:0.7mm Length: 16inches Size: 6-8mm Since these are gemstones,every bead will be different & a few beads may have natural inclusion or a flat spot . Natural stone products differ in composition, color, & texture even among pieces from the same source.. All photographs are taken in natural daylight, without any enhancement. Colors do vary on different monitors. 6-8mm Rainbow Fluorite Nugget Beads, 16Inches Strand, Hole Approx 0.7mm