acicular aggregate это:

acicular aggregate
игольчатый агрегат

English-Russian dictionary of geology. 2011.

Смотреть что такое "acicular aggregate" в других словарях:

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  • 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

  • columnar structure — noun 1. : the structure of a mineral aggregate that is made up of nearly parallel slender columns and that is intermediate between an equant and acicular structure (as in some amphiboles) 2. : a geologic structure common in basalts and other… …   Useful english dictionary


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