conchoidal aggregate

агрегат скорлуповатой формы

English-Russian dictionary of geology. 2011.

Смотреть что такое "conchoidal aggregate" в других словарях:

  • Sperrylite — Infobox mineral name = Sperrylite boxwidth = caption = formula = PtAs2 color = tin white habit = well formed finely crystalline, massive to reniform system = cubic cleavage = cubic indistinct fracture = conchoidal mohs = 6 7 luster = metallic… …   Wikipedia

  • hand tool — any tool or implement designed for manual operation. * * * Introduction  any of the implements used by craftsmen in manual operations, such as chopping, chiseling, sawing, filing, or forging. Complementary tools, often needed as auxiliaries to… …   Universalium

  • Pezzottaite — Infobox mineral name = Pezzottaite category = boxwidth = boxbgcolor = caption = formula = Cs(Be2Li)Al2Si6O18 molweight = color = Raspberry red, orange red, pink habit = flattened, tabular, equant, aggregate system = Trigonal twinning = cleavage …   Wikipedia

  • body — 1. The head, neck, trunk, and extremities. The human b., consisting of head (caput), neck (collum), trunk (truncus), and limbs (membra). 2. The material part of a human, as distinguished from the …   Medical dictionary

  • Cervandonite — General Category Silicate mineral Chemical formula (Ce,Nd,La)(Fe3+,Fe2+,Ti,Al)3O2(Si2O7)(As3+O3)(OH) Strunz classification 09.BE.09 …   Wikipedia

  • chert and flint — Very fine grained quartz, a silica mineral with minor impurities. Flint is gray to black and nearly opaque (translucent brown in thin splinters). Opaque, dull, whitish to pale brown or gray specimens are called simply chert. Chert and flint… …   Universalium

  • Dolomite — This article is about the rock and mineral. For other uses, see Dolomite (disambiguation). Dolomite Dolomite and magnesite – Spain General Cat …   Wikipedia

  • Andalusite — Infobox mineral name = Andalusite category = mineral boxwidth = boxbgcolor = imagesize = caption = Dark, rod like andalusite crystals in a light green cordierite schist matrix (writing pen shows size). formula = Al2SiO5Gemological Institute of… …   Wikipedia

  • Leucite — is a rock forming mineral composed of potassium and aluminium tectosilicate K [AlSi2O6] . Crystals have the form of cubic icositetrahedra but, as first observed by Sir David Brewster in 1821, they are not optically isotropic, and are therefore… …   Wikipedia

  • Pyrope — A gem quality, emerald cut pyrope. General Category Nesosilicate Chemical formula …   Wikipedia

  • Hydrogrossular — Infobox mineral name = Hydrogrossular category = Mineral Series boxwidth = boxbgcolor = imagesize = caption = formula = Ca3Al2(SiO4)3 x(OH)4x molweight = color = green to bluish green, pink, white, gray habit = massive system = cubic twinning =… …   Wikipedia

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