About The Word Opal

Bay Area Crosswords

Learn about the word Opal to help solve your crossword puzzle. Discover Opal definitions and meaning, origins, synonyms, related terms and more at the free Crossword Dictionary.

Opal

Opal Meaning & Definition
Opal Definition And Meaning

What's The Definition Of Opal?

[n] a translucent mineral consisting of hydrated silica of variable color; some varieties are used as gemstones

Synonyms | Synonyms for Opal:

Related Terms | Find terms related to Opal:

See Also | black opal | fire opal | girasol | harlequin opal | mineral | opaque gem

Opal In Webster's Dictionary

\O"pal\, n. [L. opalus: cf. Gr. ?, Skr. upala a rock, stone, precious stone: cf. F. opale.] (Min.) A mineral consisting, like quartz, of silica, but inferior to quartz in hardness and specific gravity. Note: The precious opal presents a peculiar play of colors of delicate tints, and is highly esteemed as a gem. One kind, with a varied play of color in a reddish ground, is called the harlequin opal. The fire opal has colors like the red and yellow of flame. Common opal has a milky appearance. Menilite is a brown impure variety, occurring in concretions at Menilmontant, near Paris. Other varieties are cacholong, girasol, hyalite, and geyserite.

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