Opal Definition & Meaning | Bay Area Crosswords

About The Word Opal

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Opal

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.

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:

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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