euhedral

euhedral
Having sharp, recognisable crystal faces.

Wikipedia foundation.

Игры ⚽ Нужен реферат?

Look at other dictionaries:

  • Euhedral — crystals are those that are well formed with sharp, easily recognized faces. Normally, crystals do not form smooth faces or sharp crystal outlines. Many crystals grow from cooling liquid magma. As magma cools, the crystals grow and eventually… …   Wikipedia

  • euhedral — /yooh hee dreuhl/, adj. Petrog. idiomorphic (def. 1). [1905 10; EU + HEDRAL] * * * …   Universalium

  • euhedral — eu|he|dral <Adj.> [zu griech. eũ = gut, wohl u. hédra = Sitz; Grundlage]: idiomorph …   Universal-Lexikon

  • euhedral — eu|he|dral* <zu gr. eúhedros »gut, fest sitzend« u. 1↑...al> svw. ↑idiomorph …   Das große Fremdwörterbuch

  • euhedral — [ju: hi:dr(ə)l] adjective Geology (of a mineral crystal) having faces corresponding to its regular crystal form, not constrained by adjacent minerals …   English new terms dictionary

  • euhedral — eu·he·dral …   English syllables

  • euhedral — (ˈ)yü|hēdrəl adjective Etymology: eu + hedral : idiomorphic …   Useful english dictionary

  • igneous rock — Any of various crystalline or glassy, noncrystalline rocks formed by the cooling and solidification of molten earth material (magma). Igneous rocks comprise one of the three principal classes of rocks, the others being metamorphic and sedimentary …   Universalium

  • Rock microstructure — includes the texture of a rock and the small scale rock structures. The words texture and microstructure are interchangeable, with the latter preferred in modern geological literature. However, texture is still acceptable because it is a useful… …   Wikipedia

  • 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

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”