hexagonal close-packed structure

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hexagonal close-packed structure [hek′sag·ə·nəl ¦klōs ¦pakt ′strək·chər]

(crystallography)

Close-packed crystal structure characterized by the regular alternation of two layers; the atoms in each layer lie at the vertices of a series of equilateral triangles, and the atoms in one layer lie directly above the centers of the triangles in neighboring layers. Abbreviated hcp structure.

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No references found			The new data suggest that the core could be either one gargantuan crystal of silicon-tainted iron with a hexagonal close-packed structure or a blend of iron-rich minerals that includes body-centered cubic crystals. Earth's inner core could include silicon. (Science News of the week) by Perkins, S. / Science News			hex nut Hexabiblos of Harmenopulus hexacanth hexachlorobenzene hexachlorobutadiene Hexachloroethane hexachlorophene hexachloropropylene hexachord hexacontane Hexacorallia hexacosane hexacosanoic acid hexactin Hexactinellida Hexactinosa hexad axis hexadecimal hexadecimal notation hexadecimal number system hexadentate ligand hexadiene hexafoil hexagon hexagonal boron nitride hexagonal close-packed structure hexagonal column hexagonal lattice hexagonal method of application hexagonal nipple hexagonal nut hexagonal platelet hexagonal system hexagonal-head bolt hexagram Hexagrammidae hexahedrite hexahedron hexahydric alcohol hexahydrite hexahydrotoluene hexametapol Hexameter hexamethonium hexamethylene hexamethylene tetramine Hexamethylenediamine Hexamethylenetetramine hexamethylphosphoric triamide Hexanchidae Hexane			hexadentate ligand hexadic hexadic hexadiene Hexadrol Hexadrol hexads hexads Hexaemeron Hexaferrocenylbenzene Hexaferrocenylbenzene Hexaflexagon Hexaflexagram hexafluorenium bromide Hexafluoro-2-propanol Hexafluoroacetone Hexafluoroacetylacetonate Hexafluoroisopropanol Hexafluoropropylene hexafoil Hexagesimal Hexagesimal hexagon hexagon hexagon hexagonal hexagonal Hexagonal Boron Nitride Hexagonal Boron Nitride Hexagonal close packed hexagonal close-packed structure hexagonal column Hexagonal crystal system Hexagonal crystal system Hexagonal Field Effect Transistor Hexagonal lattice hexagonal method of application Hexagonal Nanostructured Zeolite Particles hexagonal nipple hexagonal nut Hexagonal Partitioned Cellular Automaton hexagonal platelet Hexagonal System Hexagonal System hexagonal-head bolt hexagonally Hexagone Hexagone Hexagone Hexagône Hexagône Hexagons Hexagons Hexagony hexagram hexagram Hexagram (6-pointed star) Hexagram (6-pointed star) Hexagrammid Hexagrammid Hexagrammidae

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