Crossword puzzle clue "mineral formed from silica"

Here are the possible solutions for mineral formed from silica clue

Answer
Clue
Relevancy
opal
Clue
Mineral formed from silica
It's formed from silica
Silica mineral
Definition
an amorphous variety of silica
adsorption
Clue
Process facilitated by silica gel
Definition
the adhering of atoms or molecules of gases, liquids, or solutes to exposed surfaces (usually of solids)
agate
Clue
Brightly colored silica
Definition
a variety of quartz
dioxide
Clue
Silica or dry ice, e.g.
Definition
a type of oxide, also DIOXID
flint
Clue
Form of silica
Definition
to provide with a spark-producing rock
gel
Clue
Silica ___ (desiccant)
Definition
to become like a jelly

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