Definition, Betydelse & Synonymer | Engelska ordet CHRYSOBERYL

Definition av CHRYSOBERYL

1. krysoberyll

Exempel på hur man kan använda CHRYSOBERYL i en mening

• Despite the similarity of their names, chrysoberyl and beryl are two completely different gemstones, although they both contain beryllium.
• Chatoyancy is caused by either the presence of fibrous structures within the material, such as in tiger's eye quartz, or by fibrous inclusions and cavities, as seen in cat's eye chrysoberyl.
• It was first reported in 1792 from the Orenburg district in the southern Urals, Russia, where it is found with topaz and chrysoberyl in the gold-bearing gravels of the Sanarka (nowadays probably, Sakmara River, Mednogorsk district, Orenburgskaya Oblast').
• Phenakite is found in high-temperature pegmatite veins and in mica-schists associated with quartz, chrysoberyl, apatite and topaz.
• Perovskii however had his own plans and used the rare specimen to ingratiate himself with the Imperial family by presenting it to the future Tsar and naming it Alexandrite in his honor on April 17, 1834, but it wasn't until 1842 that the description of the color changing chrysoberyl was published for the first time under the name of alexandrite.
• Mogok and other villages nearby, especially Kyatpyin have been famous since ancient times for its gemstones, especially ruby and sapphire, but semi-precious stones such as spinel, lapis lazuli, garnet, moonstone, peridot and chrysoberyl are also found.
• For example, the development of the hydrothermally grown corundum, aquamarine and the development of a revolutionary process of horizontal crystallization for growing corundum (ruby), chrysoberyl and alexandrite.
• This region is responsible for the production of gem beryl, chrysoberyl, topaz, tourmaline, and kunzite.
• The hoard demonstrates the international trade in luxury goods in the period, including gemstones from sources across South America, Asia and Europe: emerald from Colombia, topaz and amazonite from Brazil; spinel, iolite and chrysoberyl from Sri Lanka, Indian diamond, Burmese ruby, Afghan lapis lazuli, Persian turquoise, pearls from Bahrain, peridot from the Red Sea; Bohemian and Hungarian opal, garnet and amethyst.
• Szklaryite is associated with a wide variety of minerals including: nioboholtite, titanoholtite, fersmite, holtite, alluaudite, native antimony, manganese-bearing minerals of the apatite group (F-, OH- and Cl-rich apatite), native arsenic, beusite, native bismuth, cheralite, chrysoberyl, columbite-(Fe), columbite-(Mn), ernienickelite, native gold, gorceixite, hollandite, microcline, mitridatite, monazite-(Ce), muscovite, natrophilite, nontronite, various representatives of the betafite, microlite and pyrochlore groups; paradocrasite, phosphohedyphane, plumbogummite, pollucite, purpurite, quartz, ranciéite, romanèchite, saponite, spessartine, stibarsen, stibiocolumbite, stibiotantalite, tantalite-(Mn), thorutite, uraninite, xenotime-(Y), and zircon.

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