User:ChristianOddi/sandbox

This Sentence is taken from the article Pearl

Black pearls are very rarely black: they are usually shades of green, purple, aubergine, blue, grey, silver or peacock (a mix of several shades, like a peacock's feather)

Reference List
Pearls and Pearl Culture. (1879). Scientific American, 40(11), 170–170. http://www.jstor.org/stable/26067481