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corundum [Brit kəˈrʌndəm, Am kəˈrəndəm] СЪЩ

corundum

corindone м

Индивидуални преводни двойки

corundum

английски

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

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

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

This plant produces corundum for lasers and other applications. en.wikipedia.org

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

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

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

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

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

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). en.wikipedia.org

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