Apatite Roundel 13" Bead Strand | 3 mm | Neon Blue | 190 Beads |Gorgeous Flashing Neon Blue Apatite Roundel Bead Strand for Jewelry Making. These 190 beads of neon blue Apatite will make a fantastic necklace or optionally break them up into parcels for earrings and accents in your design pieces. You will love every item you make with these. Blue Apatite may be light, bright, or dark blue, sometimes within the same crystal. [Eason, 230] The name Apatite is derived from a Greek word meaning "to deceive" because the