Crossword puzzle clue "cacholong or hyalite"

Here are the possible solutions for cacholong or hyalite clue

Answer
Clue
Relevancy
opal
Clue
Cacholong or hyalite
Cacholong
Cacholong or fiorite
Hyalite
Hyalite, e.g.
Hyalite or geyserite
Definition
an amorphous variety of silica
opals
Clue
Hyalite and harlequin
Definition
OPAL, an amorphous variety of silica

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