Crossword Puzzle Mother-of-pearl mollusk

Clue: Mother-of-pearl mollusk

Sources of mother-of-pearl (ABALONES with 8 letters)
Mother of pearls? (OYSTER with 6 letters)
A mother-of-pearl source (ABALONES with 8 letters)
Like mother-of-pearl (IRIDESCENT with 10 letters)
Pearl's mother? (NACRE with 5 letters)
Mother hen's offering, for short (TLC with 3 letters)
Source of mother-of-pearl (e.g. ABALONE with 7 letters)
Mother Goose offerings, or in a different sense, this puzzle's title (NURSERYRHYMES with 13 letters)
Mother of pearl? (OYSTER with 6 letters)
Mother-of-pearl "mother" (ABALONE with 7 letters)