Opal
"Opal" in cmn
歐泊 /欧泊
ōubó
(a mineral consisting, like quartz, of silica, but inferior to quartz in hardness and specific gravity)
蛋白石
dànbáishí
(a mineral consisting, like quartz, of silica, but inferior to quartz in hardness and specific gravity)
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.