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Opal
"Opal" in Czech
opál
(a mineral consisting, like quartz, of silica, but inferior to quartz in hardness and specific gravity)
See also for "opal"
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Unscramble this word: opal
opál
(a mineral consisting, like quartz, of silica, but inferior to quartz in hardness and specific gravity)
Unscramble this word: opal