Beadaholique Tourmaline Gemstone Drops Sterling Silver Wire Wrapped Chain 3.5mm Rondelles - By The Inch Color: Multi, Silver Materials: Sterling Silver, Tourmaline Measurements: Stones are approximately 3-3.5mm in diameter, 2.3-3mm along wire. Space between each stone is about 6mm. Dangling stone has a hanging length of 4.4mm. Quantity: By The Inch Shape: Rondelle,Drop