grey antimony ore

См. также в других словарях:

• Antimony — This article is about the element. For the town, see Antimony, Utah. Not to be confused with Antinomy, a type of paradox. tin ← antimony → tellurium As ↑ Sb ↓ Bi …   Wikipedia

• Caesium — xenon ← caesium → barium Rb ↑ Cs ↓ Fr …   Wikipedia

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• Type metal — The term type metal (sometimes called hot metal ) represents a range of metal alloys that are used in traditional typefounding and mechanical typesetting. History Although the knowledge of casting soft metals in moulds was well established before …   Wikipedia

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• stibnite — noun a soft grey mineral; the chief ore of antimony • Hypernyms: ↑mineral • Substance Meronyms: ↑antimony, ↑Sb, ↑atomic number 51 * * * stibnite Min. (ˈstɪbnaɪt) [f …   Useful english dictionary

• Tetrahedrite — Infobox mineral name = Tetrahedrite category = Mineral: sulfosalt boxwidth = boxbgcolor = imagesize = caption = A sample of grey tetrahedrite, with white quartz formula = (Cu,Fe)12Sb4S13 molweight = 1,643.31 gm color = Steel gray to iron gray… …   Wikipedia

• Uranium — (pronEng|jʊˈreɪniəm) is a silvery gray metallic chemical element in the actinide series of the periodic table that has the symbol U and atomic number 92. It has 92 protons and 92 electrons, 6 of them valence electrons. It can have between 141 and …   Wikipedia

• Pencil — This article is about the handwriting instrument. For other uses, see Pencil (disambiguation). HB graphite pencils A pencil is a …   Wikipedia

• Dumfries-Shire —    DUMFRIES SHIRE, a county in the south of Scotland, bounded on the north by the counties of Lanark, Peebles, and Selkirk, on the east by Roxburghshire and part of the English county of Cumberland, on the south by the Solway Frith, and on the… …   A Topographical dictionary of Scotland

• stibnite — /ˈstɪbnaɪt/ (say stibnuyt) noun a mineral, antimony sulphide, Sb2S3, lead grey in colour with a metallic lustre, occurring in crystals, often acicular, or in bladed masses, the most important ore of antimony. {stib(i)n(e) + ite1} …