Gemstones Grown in Oysters, Mussels
This page is the CodyCross answer for the clue below from House of Horrors, Group 1104, Puzzle 4 (Unwanted Visitors).
Question is: Gemstones Grown in Oysters, Mussels
and the answer is: PEARLS
Word Meaning:
PEARLS — plural of pearl.
Definitions from Wiktionary.