Переводы „corundum“ в словаре русско » английский

кору́нд

corundum

Одноязычные примеры (не проверены редакцией PONS)

английский

Some gemstones described as lab-grown (synthetic) alexandrite are actually corundum laced with trace elements (e.g., vanadium) or color-change spinel and are not actually chrysoberyl.

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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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In some cases they contain abnormal constituents such as calcite, sillimanite or corundum.

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It largely consists of the mineral corundum (aluminium oxide), mixed with other species such as the iron-bearing spinels, hercynite, and magnetite, and also rutile (titania).

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

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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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It is commonly associated with olivine, magnetite, serpentine, and corundum.

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

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