Mexican Fire Opal Micro Faceted Rondelles measure approximately 3mm in diameter, have a vitreous luster, good polish and faceting creating a symmetrical rondelle shape with consistent depth, beads are transparent to translucent in quality, bodies range from colorless to deep orangey red in color, and the Fire Opal has some play of color. These beads have an excellent make and are well matched on the strand. The drill hole is approximately 0.05mm inside diameter.