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rhombohedral crystal

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См. также в других словарях:

  • Rhombohedral crystal system — In crystallography, the rhombohedral (or trigonal) crystal system is one of the seven lattice point groups, named after the two dimensional rhombus. A crystal system is described by three basis vectors. In the rhombohedral system, the crystal is… …   Wikipedia

  • rhombohedral — [räm΄bə hē′drəl] adj. 1. of or having to do with a rhombohedron 2. designating or of a crystal system having three axes of equal length, none of which intersects at right angles with another: see CRYSTAL SYSTEM * * * See rhombohedron. * * * …   Universalium

  • rhombohedral — [räm΄bə hē′drəl] adj. 1. of or having to do with a rhombohedron 2. designating or of a crystal system having three axes of equal length, none of which intersects at right angles with another: see CRYSTAL SYSTEM …   English World dictionary

  • crystal system — n. any of the seven groups (cubic, hexagonal, rhombohedral, tetragonal, orthorhombic, monoclinic, and triclinic) of crystals classified on the basis of the relationships of their crystallographic axes (imaginary lines of reference used to… …   English World dictionary

  • Crystal system — Diamond crystal structure consists of face centered cubic lattice. In crystallography, the terms crystal system, crystal family, and lattice system each refer to one of several classes of space groups, lattices, point groups, or crystals.… …   Wikipedia

  • Crystal structure — In mineralogy and crystallography, crystal structure is a unique arrangement of atoms or molecules in a crystalline liquid or solid. A crystal structure is composed of a pattern, a set of atoms arranged in a particular way, and a lattice… …   Wikipedia

  • Crystal structure of boron-rich metal borides — Two single crystals of YB66 (1 cm diameter) grown by floating zone technique using (100) oriented seeds. In the top crystal, the seed (left from the black line) has same diameter as the crystal. In the bottom crystal (sliced), the seed is much… …   Wikipedia

  • crystal — crystallike, adj. /kris tl/, n., adj., v., crystaled, crystaling or (esp. Brit.) crystalled, crystalling. n. 1. a clear, transparent mineral or glass resembling ice. 2. the transparent form of crystallized quartz. 3. Chem., Mineral. a solid body… …   Universalium

  • Crystal — /kris tl/, n. 1. a city in SE Minnesota, near Minneapolis. 25,543. 2. a female given name. * * * I Any solid material whose atoms are arranged in a definite pattern and whose surface regularity reflects its internal symmetry. Each of a crystal s… …   Universalium

  • Crystal — Crystals redirects here. For other uses, see Crystals (disambiguation). This article is about crystalline solids. For the type of glass, see lead crystal. For other uses, see Crystal (disambiguation). Quartz crystal. The individual grains of this …   Wikipedia

  • Rhombohedral cleavage — Cleavage Cleav age, n. 1. The act of cleaving or splitting. [1913 Webster] 2. (Crystallog.) The quality possessed by many crystallized substances of splitting readily in one or more definite directions, in which the cohesive attraction is a… …   The Collaborative International Dictionary of English

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