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التركية - الإنجليزية

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spinel

any of several hard minerals of cubic symmetry that are mixed oxides of magnesium and aluminium and are used as gemstones of various colours

any crystalline material, not necessarily an oxide, that possesses the same crystal structure as this mineral

Bleached yarn in making the linen tape called inkle; unwrought inkle

solid state chemistry: any crystalline material, not necessarily an oxide, that possesses the same crystal structure as 1

A mineral occuring in octahedrons of great hardness and various colors, as red, green, blue, brown, and black, the red variety being the gem spinel ruby

It consist essentially of alumina and magnesia, but commonly contains iron and sometimes also chromium

Mineral composed of magnesium aluminum oxide (MgAl2O4). Also called magnesia spinel, its colour, due to various impurities, ranges from blood-red to blue, green, brown, and colourless. Spinel is found in basic igneous rocks, granite pegmatites, and contact metamorphic limestone deposits, often in association with corundum. Synthetic spinel has been manufactured since the early 20th century for use as imitation gem stones. Spinel may also refer more broadly to any of various mineral oxides of magnesium, iron, zinc, or manganese in combination with aluminum, chromium, or iron

a hard glassy mineral consisting of an oxide of magnesium and aluminum; occurs in various colors that are used as gemstones

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