Pearls are comprised of about 90 per cent calcium carbonate, a small amount of water, and Conchiolin which is an organic protein present to bind the crystals. The pearl is composed of calcium carbonate. This&hellip
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Pearls are comprised of about 90 per cent calcium carbonate, a small amount of water, and Conchiolin which is an organic protein present to bind the crystals. The pearl is composed of calcium carbonate. This&hellip