Crossword puzzle clue "rock often containing quartz"

Here are the possible solutions for rock often containing quartz clue

Answer
Clue
Relevancy
shale
Clue
Rock often containing quartz
agate
Clue
Rock composed of quartz
Quartz from volcanic rock
Definition
a variety of quartz
geode
Clue
Quartz-filled rock
Rock containing crystal
Definition
a roughly spherical stone, hollow or partially hollow, containing an accumulation of mineral matter
granite
Clue
Quartz rock
Igneous rock, generally composed of feldspar and mica and quartz
Definition
a highly felsic igneous rock
cherty
Clue
Containing a flintlike rock
Definition
resembling chert

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