This is a very nice gem quality perfect 5 pear faceted genuine natural violet blue tanzanite measuring 4mm x 2mm set to form a flower design in great condition. Earrings set in silver stamped 925 and has screw back. Necklace has silver 17" chain. Each Tanzanite Flower has small CZ in the center. Tanzanite has fine purplish blue color showing strong pleochroism. Location: Arusha, Tanzania Size: pendant - 1.2 Centimeters ; earrings - 1.5 x 1.2 centimeters Weight: 4.4 Grams total