chrysocolla

American  

[kris-uh-kol-uh] / ˌkrɪs əˈkɒl ə /

noun

1. a mineral, hydrous copper silicate, CuSiO 3 ⋅2H 2 O, occurring in compact, green or blue masses, sometimes used in ornaments.

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Etymology

Origin of chrysocolla

1590–1600; < Latin chrȳsocolla < Greek chrȳsókolla gold solder, equivalent to chrȳso- chryso- + kólla glue ( cf. collage)

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Example Sentences

See Examples For:

chrysocolla

The oxide group of minerals—including the copper carbonates, azurite and malachite; the silicate, chrysocolla; the oxide, cuprite; the sulphates, chalcanthite and brochantite; and some native copper associated with these minerals—probably supplies another 5 per cent.

From The Economic Aspect of Geology by C. K. (Charles Kenneth) Leith

In thin sections it is translucent and optically isotropic, and recent examinations seem to prove that it is a homogeneous mineral and not a mechanical mixture of chrysocolla and limonite.

From Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 3 "Chitral" to "Cincinnati" by Various

Caligula, in a fit of extravagance, used chrysocolla; and Nero, to surpass him, caused the brilliant red of cinnabar to be mixed with it.

From Museum of Antiquity A Description of Ancient Life by T. L. (Thomas Louis) Haines

That which I have seen has been embedded in the loose rock above the mine, about a quarter inch in diameter, and more or less disguised by a green coating of chrysocolla.

From Scientific American Supplement, No. 363, December 16, 1882 by Various

Borax, which is used for this purpose, has also been called chrysocolla.

From Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 3 "Chitral" to "Cincinnati" by Various

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