Crossword puzzle clue "crystal lined cavity"

Here are the possible solutions for crystal lined cavity clue

Answer
Clue
Relevancy
geode
Clue
Crystal-lined cavity
Crystal-lined rock
Crystal-lined stone
Definition
a roughly spherical stone, hollow or partially hollow, containing an accumulation of mineral matter
geodes
Clue
Crystal-lined stones
Crystal-lined rocks
Crystal-lined cavities
Definition
GEODE, a roughly spherical stone, hollow or partially hollow, containing an accumulation of mineral matter
quartz
Clue
The crystal in some crystal balls
Definition
the commonest rock-forming mineral, composed of silica
abri
Clue
Hillside cavity: Fr.
Definition
(French) a bomb shelter

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