Garnet and Zircon Faceted Rondelles measure approximately 3mm in diameter, the Garnet beads have a vitreous luster with an exceptionally high brilliance, the Zircon beads have a near diamond-like luster, these Multi-Gemstone beads show superb faceting and symmetrical shape, and the sparkling gem bodies are a golden orange, brown, red, brownish red, golden, dark cognac to a champagne hue, these Multi-Gemstones are an exceptional strand of Zircon and Garnet which resemble the best features of diamond - high luster and excellent refraction of light. The hole size is .5mm. We recommend using 26-28 guage wire to string these.