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Opal
"Opal" in Korean
단백석
danbaekseok
(a mineral consisting, like quartz, of silica, but inferior to quartz in hardness and specific gravity)
오팔
opal
(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