15mm to 17mm diameter Large Hole Bi-Colored Quartz Concave Faceted Rondelles exhibit widths from 12mm up to 14mm in size, have a vitreous luster, show an expert concave facet creating strong brilliance, are symmetrical with a matched tone, present as transparent dual color beads of brown and yellow Quartz rondelles with 2.5mm large hole drilled beads. AA