Turquoise: 5.1 g, Lapis: 2.9 g, Imitation opal: 3.1 g, spiny oyster shell (scientific name: Spondylus): 3.2 g, mother of pearl shell (scientific name: Pinctada): 4.4 g, black onyx: 2.5 g, abalone shell: 1.2 g, mother of pearl shell (scientific name: Pinctada): 1.1 g |