- wolframite ore
- вольфрамитовая руда
English-Russian mining dictionary. В.П. Манышев.
English-Russian mining dictionary. В.П. Манышев.
wolframite — [wool′frə mīt΄] n. [Ger wolframit: see WOLFRAM] a semihard, heavy, dark colored, monoclinic mineral, (Fe,Mn)WO4, the chief ore of tungsten; iron manganese tungstate … English World dictionary
Wolframite — Infobox mineral name = Wolframite category = boxwidth = boxbgcolor = imagesize = 150 caption = formula = (Fe,Mn)WO4 molweight = color = Black (ferberite) to brown (huebnerite) habit = Tabular crystals, sometimes prismatic system = Monoclinic 2/m… … Wikipedia
wolframite — /wool freuh muyt , vawl /, n. a mineral, iron manganese tungstate, (Fe,Mn)WO4, occurring in heavy grayish black to brownish black tabular or bladed crystals: an important ore of tungsten. Also, wolfram. [1865 70; WOLFRAM + ITE1] * * * ▪ mineral… … Universalium
Ore — For other uses, see Ore (disambiguation). Iron ore (Banded iron formation) … Wikipedia
wolframite — wolf•ram•ite [[t]ˈwʊl frəˌmaɪt, ˈvɔl [/t]] n. mir a mineral, iron manganese tungstate, (Fe,Mn)WO4, occurring in heavy grayish black to brownish black tabular or bladed crystals: an important ore of tungsten • Etymology: 1865–70 … From formal English to slang
wolframite — /ˈwʊlfrəmaɪt / (say woolfruhmuyt) noun a mineral, iron manganese tungstate, (Fe, Mn)WO3, occurring in heavy, greyish to brownish black tabular or bladed crystals, an important ore of tungsten. Density: 7.0–7.5. Also, wolfram. {German Wolframit,… …
Tungsten ore — may refer to:*Wolframite *Scheelite … Wikipedia
Tungsten — (pronEng|ˈtʌŋstən), also known as wolfram (IPA|/ˈwʊlfrəm/), is a chemical element that has the symbol W and atomic number 74.A steel gray metal, tungsten is found in several ores, including wolframite and scheelite. It is remarkable for its… … Wikipedia
Group 6 element — Group → 6 ↓ Period 4 24 Cr 5 … Wikipedia
Hemerdon Mine — pits near Lee Moor. The mine, out of operation since 1944, hosts one of the largest tungsten and tin deposits in the world. [ [http://www.mineweb.com/mineweb/view/mineweb/en/page674?oid=41265 sn=Detail Mineweb Article] ]… … Wikipedia
Conflict minerals — are minerals mined in conditions of armed conflict and human rights abuses, notably in the eastern provinces of the Democratic Republic of the Congo, by the Congolese National Army and various armed rebel groups, including the Democratic Forces… … Wikipedia