Ruby sometimes forms with zoisite, the red and green mixture is captivating, as is this necklace. Rubies and ruby zoisite aboud in this necklace with...a huge ruby briolette. It's finished with 14k gold filled beads and findings. It measures 18.75". Everyone will be asking questions about it. Know that the properities of these two stones combine patience and passion. Now that's some really great common sense!