Because they are nonnacreous, they cannot be considered
true pearls; consequently, the term pearl, commonly used
in the trade to describe this material, appears here in
quotation marks. The name of the molluslz should be
pronounced "conk" and both spellings, conch and conk, are
found in the literature.
Because they are nonnacreous, they cannot be consideredtrue pearls; consequently, the term pearl, commonly usedin the trade to describe this material, appears here inquotation marks. The name of the molluslz should bepronounced "conk" and both spellings, conch and conk, arefound in the literature.
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