Mother of Pearl and Silver: The Andalusian Mother of Pearl and Silver: The Andalusian Mother of Pearl and Silver: The Andalusian is a painting by James McNeill Whistler. The work shows a woman in full figure standing with her back to the viewer, with her head in profile. The model is Ethel Whibley, (née Birnie Philip) the artist's secretary and sister-in-law. The colour scheme of the painting is black, mother of pearl and silver. The title refers to Ethel’s grey silk evening dress, which is a Parisian dress in a belle époque style, with the transparent layered sleeves of the black bolero jacket resembling a traditional Andalusian
Pearl are also commonly seen in necklaces. Circled pearls are characterized by concentric ridges, or rings, around the body of the pearl. In general, cultured pearls are less valuable than natural pearls, whereas imitation pearls have almost no value. One way that jewelers can determine whether a pearl is cultured or natural is to have a gemlab perform an X-ray examination of the pearl. If X-rays reveals a nucleus, the pearl is likely a bead-nucleated saltwater pearl. If no nucleus is present, but irregular and small dark inner spots indicating a cavity are visible, combined with concentric rings of organic substance,