Sterling Silver Larimar, Blue Topaz and Quartz PendantMaterial: Genuine Sterling Silver (925 silver, 92. 5% silver content) Stone(s): Genuine larimar (7. 3 carats), genuine clear quartz (2. 6 carats), genuine blue topaz (1. 1 carats), genuine white topaz (0. 2 carats) Overall Dimension (including bail): 1. 8 x 0. 6 x 0. 25 inches Inner Bail Diameter: 4 mm Weight: 6 grams Stamp Mark: 925 Origin: USA Serial Number: p29896 Larimar is a rare gemstone found only in an inaccessible region of the Dominican