Black Mother of Pearl / MOP 9-15mm handmade rose beads (ETB00357) Sonoran Dendritic

Black Mother of Pearl / MOP 9-15mm handmade rose beads (ETB00357) Sonoran DendriticMother of pearl, is an organic inorganic composite material produced by some molluscs as an inner shell layer; it is also what makes up the outer coating of pearls. It is strong, resilient, and iridescent. Mother of Pearl is found in some of the more ancient lineages of bivalves, gastropods, and cephalopods. However, the inner layer in the great majority of mollusc shells is porcellaneous, not nacreous, and this usually results in a non iridescent

Size: 31 x 20 x 5

C : 37 x 55 x 7

Size: 15 x 22 - 19 x 20 mm

Black jade is one of the many colors in which nephrite and jadeite can appear in

The name comes from the Ancient Greek ἀ a- ("not") and μέθυστος methustos ("intoxicated")

Cut cross-sections reveal concentric bands of light and dark rose colored layers

Cacoxenite forms within crystal or amethyst as an inclusion

5 x 41 x 5mm

Common colors are white

Hollandite is found in a number of countries and is related to where manganese is mined

5 - 14 mm  (27 pcs)

Size: 11 - 12 mm  (29PCS)