Green Turquoise Necklace Museum Exclusive 70 pieces to build real-world

70 pieces to build real-world devices and structures

Sterling silver band accented with tiny stamped star motifs

Discover amazing facts like why the sloth is so slow

Holds 15 oz of your favorite drink

Made from 100% heavyweight cotton in the USA

Green Turquoise Necklace Museum Exclusive 70 pieces to build real-worldThis necklace features polished green turquoise set with sterling silver components. Turquoise is a hydrous phosphate mineral of copper and aluminum (CuAl(PO)(OH)4HO), and its green coloration is caused by varying copper and iron content within the mineral. Details: Material: Natural green turquoise with sterling silver Appearance: Green to blue green stone, with natural veining Formation: Forms in arid regions through the oxidation and weathering of