Neon Apatite Plain Rondelles measure approximately 3mm up to 5mm diameter in size, these stunningly beautiful Apatite beads exhibit a vitreous luster showing excellent polish on a symmetrical rondelle body of graduated depth, these Neon blue Apatite beads have World Class Color and quality providing for a AAA grade, and these Apatite beads are a deeply saturated and vibrant hue called Neon Blue.