Examples of using Scheelite in English and their translations into German
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Scheelite, flat stone from Turkey.
The mineral is at present called scheelite.
Scheelite(CaWO4) and solzite(PbWO4) are also important.
Its important ores include wolframite and scheelite.
Tungsten occurs in wolframite, scheelite, huebnertie, and ferberite.
Synonyms and trade names: none for gem Scheelite.
These minerals include scheelite, huebnertie, wolframite, and ferberite.
Description: SCP-059 is a radioactive mineral of unknown origin,superficially resembling scheelite.
It is usually mined from scheelite, CaWO4, och wolframite,(Fe, Mn)WO4.
Swedish chemist Carl Wilhelm Scheele contributed to itsdiscovery as well with his studies on the mineral scheelite.
CaWO4, or scheelite, is allowed to react with HCl to produce tungstic acid, which decomposes to WO3 and water at high temperatures.
The scoping study work focused on mineralogy, grinding characteristics, gravity separation,and flotation of both sulphides and scheelite.
The scheelite and/or fluorite could have been formed by reaction of the fluidal phases with simultaneous carbonate depositions.
Due to it's low hardness and distinct cleavage, Scheelite is only very rarely cut as a gemstone and not suitable for use in jewellery!
It can be found in numerous tungsten minerals of which the wolframite group(wolframite, ferberite, hubnerite and scheelite) is economically the most important one.
The emphasis is on scheelite, which is obtained by flotation and then enriched into concentrates with more than 65% tungstate.
Scheelite was originally called tungstenite, but it was renamed scheelite in honour of Carl Wilhelm Scheele, who discovered in 1781 that a new acid, tungstic acid, could be made from it.
The EML encloses the Tabuaço skarn-type tungsten(scheelite) deposits, which include the São Pedro das Águias(SPA) and Aveleira tungsten resource areas, and the adjacent exploration targets of the SPA-Aveleira Gap, the Quintã-Távora zone, as well as on the East bank of the Távora river.
As scheelite mineralization in regional metamorphic calc-silicate rocks within the»characteristic rock sequence«,- as scheelite and/or wolframite in(tourmaline-)quartz veins,- occasionally at the rim of pegmatoids and pegmatites.
The total production of wolframite and scheelite(tungsten minerals) concentrates from 1904 until the closing of Borralha, from underground and open pit sources, has been estimated at about 18,500 tonnes, although this number is approximate and may be substantially less than the true value.