cuprite

American  

[kyoo-prahyt, koo-] / ˈkju praɪt, ˈku- /

noun

1. a mineral, cuprous oxide, Cu 2 O, occurring in red crystals and brown to black granular masses: an ore of copper.

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cuprite British  

/ ˈkjuːpraɪt /

noun

1. a red secondary mineral consisting of cuprous oxide in cubic crystalline form: a source of copper. Formula: Cu 2 O

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Etymology

Origin of cuprite

First recorded in 1840–50; cupr- + -ite ¹

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Example Sentences

See Examples For:

cuprite

There are six copper minerals mentioned in this sentence, and from our study of Agricola's De Natura Fossilium we hazard the following:—Proprius ei color insederit,—"its own colour,"—probably cuprite or "ruby copper."

From De Re Metallica, Translated from the First Latin Edition of 1556 by Georgius Agricola

Faces of a pentagonal icositetrahedron with high indices have been very rarely observed on crystals of cuprite, potassium chloride and ammonium chloride, but none of these are circular polarizing.

From Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 7 "Crocoite" to "Cuba" by Various

Spangolite, spang′gō-līt, n. a rare mineral found in hexagonal green crystals along with cuprite in Arizona.

From Chambers's Twentieth Century Dictionary (part 4 of 4: S-Z and supplements) by Various

CUPRITE, a mineral consisting of cuprous oxide, Cu2O, crystallizing in the cubic system, and forming an important ore of copper, of which element cuprite contains 88.8%.

From Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 8 "Cube" to "Daguerre, Louis" by Various

The etching figures do not, however, conform to this lower degree of symmetry, nor do crystals of cuprite rotate the plane of polarization of plane-polarized light.

From Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 8 "Cube" to "Daguerre, Louis" by Various

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