Crystal-lined rock

This crossword clue is for the definition: Crystal-lined rock.
it’s A 18 letters crossword puzzle definition.
Next time, when searching for online help with your puzzle, try using the search term “Crystal-lined rock crossword” or “Crystal-lined rock crossword clue”. The possible answerss for Crystal-lined rock are listed below.

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Possible Answers: GEODE.

Last seen on: Daily Boston Globe Crossword Thursday, 11 May 2023