Crossword puzzle clue "opaque mineral used a gemstone"

Here are the possible solutions for opaque mineral used a gemstone clue

Answer
Clue
Relevancy
opal
Clue
Opaque mineral used a gemstone
Gemstone mineral
Definition
an amorphous variety of silica
jasper
Clue
Opaque gemstone
Definition
a red variety of chert, its color coming from minute particles of included hematite, also JASP, JASPIS
zircon
Clue
Mineral used as a gemstone in its transparent form
milkglass
Clue
Opaque material used in vases, e.g.
cawk
Clue
Opaque barite
Definition
an opaque, compact variety of barite, or heavy spar, also CAUK
clearasmud
Clue
Opaque
dense
Clue
Opaque
Definition
compact

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