corundum

• Suddenly I'm lying on the corundum, watching Tannie shrink away, vanishing even before she strikes the pond. —  F ;SF; - vol 098 issue 02 - February 2000
• Synthetic padpas (they're actually corundum, if you're hooked on taxonomy) soon became cheap, while genuine gemstones stayed costly. —  dummy 3
• Atomic and electronic structure of the corundum (alpha - alumina) (0001) surface adsorption alumina carbon_monoxide catalysis copper dft dynamics energy equilibration global_warming melt molecular_dynamics monte_carlo nitrogen oxide oxygen palladium phenol platinum pollution polymer qmc silver sulphur surface van_der_waals water CiteULike organises scholarly (or academic) papers or literature and provides bibliographic (which means it makes bibliographies) for universities and higher education establishments. —  CiteULike: Everyone's library
• There are a variety of crystals used and include aluminum oxide, sodium bicarbonate, magnesium oxide, zinc oxide, corundum, and sodium chloride. —  Article Source
• Ruby - Ruby is a term for the red gemstones derived from the mineral corundum, formed primarily from aluminum oxide.

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