What's inside a clam? A retractable foot, a siphon for sucking up water, powerful muscles, and, sometimes, a pearl. And you thought oysters were fancy. Following is the transcript of the video.
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From oysters to pearls: Know how the pearls are formed, types and difference between cultural and natural pearlsInside the shell, the oyster has several parts ... surface quality, size, and colour. Pearls can be white, black, grey, red, blue, or green, with black pearls being native to the South Pacific.
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