Sterling Silver Fossilized Dinosaur Bone, 3.3-Carats Quartz and 0.5-Carats White Topaz PendantMaterial: Genuine Sterling Silver (925 silver, 92. 5% silver content) Stone(s): 1 genuine fossilized dinosaur bone, 1 genuine quartz (3. 3 carats) and 1 genuine white topaz (0. 5 carats) Overall Dimension (including bail): 1. 5 x 0. 75 x 0. 2 inches Inner Bail Diameter: 5 mm Weight: 7. 7 grams Stamp Mark: Starborn, 925 Serial Number: p31059 Derived from "tapaz," the Sanskrit word for fire, topaz is one of the most brilliant cut gemstones in existence.