K Kent Guest Oct 6, 2006 #1 If a mollusk produces only pearls that are calcareous concretions can they have mother-of-pearl on the inside of their shell, or is mother-of-pearl only found in mollusks that can produce a nacreous pearl?
If a mollusk produces only pearls that are calcareous concretions can they have mother-of-pearl on the inside of their shell, or is mother-of-pearl only found in mollusks that can produce a nacreous pearl?
Z Zeide Erskine Guest Oct 6, 2006 #2 Hi Kent, Number 2 has it. Only nacreous shells can produce mother of pearl. Zeide
