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1 гроздевидная железная руда
Makarov: botryoidal iron oreУниверсальный русско-английский словарь > гроздевидная железная руда
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2 скорлуповатый железняк
Geology: botryoidal iron oreУниверсальный русско-английский словарь > скорлуповатый железняк
См. также в других словарях:
Limonite — is an ore consisting in a mixture of hydrated iron(III) oxide hydroxide of varying composition. The generic formula is frequently written as FeO(OH)·nH2O, although this is not entirely accurate as limonite often contains a varying amount of oxide … Wikipedia
Goethite — Infobox mineral name = Goethite category = boxwidth = boxbgcolor = imagesize = caption = Goethite,from Minas Gerais, Brazil formula = α IronOxygen(Hydroxide) molweight = color = Yellowish to reddish to dark brown habit = system = Orthorhombic… … Wikipedia
Chalcopyrite — Twinned chacopyrite crystal from the Camp Bird Mine, Ouray County, Colorado (size:5.2 x 3.6 x 2.7 cm) General Category Sulfide mineral … Wikipedia
Smithsonite — A specimen of smithsonite from Kelly mine, Socorro County, New Mexico, USA . General Category Carbonate mineral … Wikipedia
Psilomelane — Infobox mineral name = Psilomelane category = boxwidth = boxbgcolor = caption = A native sample of psilomelane formula = The general formula Ba(Mn2+)(Mn4+)8O16(OH)4 or as (Ba,H2O)2Mn5O10 Barium Manganese Oxide Hydroxide molweight = 590.03 gm… … Wikipedia
Fluorite — General Category Halide mineral Chemical formula CaF2 … Wikipedia
Pyrolusite — Infobox mineral name = Pyrolusite category = boxwidth = boxbgcolor = imagesize = caption = Pyrolusite Mineral with Dendrite (height of sample 9 cm) formula = manganese dioxide, MnO2 molweight = color = Darkish, black to lighter grey, somethimes… … Wikipedia
