Black Spinel and Tourmaline Quartz facet cut rondelles with facet cut pear shape briolettes and 1.8mm sterling silver beads. Black Spinel Rondelles are 2mm, Tourmaline Quartz are 4mm, briolettes are 9x13 mm; necklace is 19.5" long with a sterling silver lobster claw clasp. Strung on Beadalon .013 49 strand Bright wire for durability and a beautiful drape. Both Black Spinel and Tourmaline Quartz are known for their grounding and protective properties. Black Spinel resonates with the zodiac sign Taurus (Venus). Tourmaline Quartz resonates with the zodiac sign Capricorn (Saturn). Earrings sold separately.