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corundum's Usage Examples:

Examples of parting include magnetite which shows octahedral parting, the rhombohedral and basal parting of corundum and basal parting in pyroxenes.

It has the same crystal structure as corundum (Al 2O 3) and ilmenite (FeTiO 3).

such as: tourmaline, topaz, beryl, corundum, fluorite, apatite, barite, strontianite, tantalite, anglesite, and others.

colored gemstone, a variety of the mineral corundum (aluminium oxide).

alluvial deposits with other gem minerals such as diamond, corundum, topaz, spinel, garnet, and tourmaline.

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

there are the structures of perovskite (structure), calcium carbonate, pyroxenes, corundum and hexagonal ABX2 types.

known material to be described as having adamantine luster, although anglesite, cerussite and corundum in some of its forms are also described in this.

alteration product of corundum and nepheline.

corundum, cosalite, dolomite, feldspar, magnesite, margarite, mica, pargasite, pyroxene, rutile, sapphirine, and sillimanite.

Both methods required arduous work done with a bow drill, with time and effort being determined by hardness of abrasive, from ground sand (quartz) to corundum.

Ti2O3 adopts the Al2O3 (corundum) structure.

TradeWuzhou has become a hub of the synthetic gemstone trade, particularly specializing in corundum, spinel and cubic zirconia.

Synonyms:

emery, alumina, aluminum oxide, mineral, sapphire, corundom, aluminium oxide, ruby,

Antonyms:

organic, achromatic,