James Hain Friswell, Once a Week (1860)
“ Besides forming the rough outside, the calcareous exuvium, the mucus of the oyster and other mollusca, forms that beautiful substance, so smooth, and polished, and dyed with rainbow tints, and a glorious opalescence, which, be it as common as luxury has made it, still charms the eye. This is the lining of the shell, the mother-of-pearl, nacre. “The inside of the shell,” said old Dampier, that old sailor with a poet’s mind, “is more glorious even than the pearl itself.” ”
