- euhedral character
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эвгедральность
English-Russian dictionary of geology. 2011.
English-Russian dictionary of geology. 2011.
Lamprophyre — Lamprophyres (Greek λαµπρός (lamprós) = bright and φύρω (phýro) = to mix) are uncommon, small volume ultrapotassic igneous rocks primarily occurring as dikes, lopoliths, laccoliths, stocks and small intrusions. They are alkaline silica… … 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
Zoisite — This article is about the mineral named zoisite. For the Sailor Moon character, see Shitennou. Infobox mineral name = Zoisite category = Silicate mineral boxwidth = boxbgcolor = caption = Anyolite (left) tanzanite formula =… … Wikipedia