corundum in the Oxford-Hachette French Dictionary

Translations for corundum in the English»French Dictionary

corundum [Brit kəˈrʌndəm, Am kəˈrəndəm] N

corundum

corindon m

Translations for corundum in the French»English Dictionary

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corindon

corundum

Monolingual examples (not verified by PONS Editors)

English

Sapphire and ruby are both varieties of the same mineral; corundum.

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It occurs with calcite, ettringite, wollastonite, larnite, brownmillerite, gehlenite, diopside, pyrrhotite, grossular, spinel, afwillite, jennite, portlandite, jasmundite, melilite, kalsilite and corundum in the limestone xenoliths.

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The typical asteria is the star-sapphire, generally a bluish-grey corundum, milky or opalescent, with a star of six rays.

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This plant produces corundum for lasers and other applications.

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It is black or dark grey in colour, less dense than translucent-brown corundum with a specific gravity of between 3.5 and 3.8.

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For example, ruby is the red variety of the species corundum, while any other color of corundum is considered sapphire.

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Hot atmospheres could have iron rain, molten-glass rain, and rain made from rocky minerals such as enstatite, corundum, spinel, and wollastonite.

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Accessory minerals include kyanite, rutile, quartz, lawsonite, coesite, amphibole, phengite, paragonite, zoisite, dolomite, corundum, and, rarely, diamond.

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Bauxite is a very common ore which, along with corundum's reasonably high hardness, contributes to corundum's status as a common, inexpensive abrasive.

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Minerals that often display parting include the pyroxenes, hematite, magnetite, and corundum.

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