crystallography

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crystallography

 [kris″tah-log´rah-fe]
the science dealing with the study of crystals.
x-ray crystallography the determination of the three-dimensional structure of molecules by means of diffraction patterns produced by x-rays of crystals of the molecules.

crys·tal·log·ra·phy

(kris'tăl-log'ră-fē),
The study of the shape and atomic structure of crystals.

crystallography

(kris″tă-log′ră-fē) [ crystal + -graphy]
The study of crystals. It is useful, for example, in examining complex molecules (e.g., DNA) or the components of kidney stones.

crystallography

the science dealing with the study of crystals.

x-ray crystallography
the determination of the three-dimensional structure of molecules by means of diffraction patterns produced by x-rays.
References in periodicals archive ?
It is important that these facets should crystallographically different, i.
The nonlinear decrease in permeability with clay loading, the apparent aspect ratio, and the observed crystallographically regular layer stacking order with a monolayer of polymer intercalated between the layers, are all consistent with a possible self-similar clay aggregation mechanism, in which the face-to-face associated layers are slipped in a staircaselike fashion.
In addition, it is crystallographically impossible for gold to form iron-cross twins.
3] (37,39), in which Bi is located in two crystallographically independent positions of the monoclinic space group 12/m.
The sides (cleavage planes) are the same crystallographically in terms of the spacings of atoms of calcium and molecules of carbonate; they are referred to as the (1 0 4) family of planes.
And while NMR shows no signs of supplanting diffraction methods for solid structural analysis, Harris showed that it is an excellent complementary method in some crystallographically difficult systems, such as SiAlON and boron carbides.
There are two crystallographically independentsodium centers in the crystal structure.
Orange, crystallographically parallel zones seen in some loose realgar crystals found in 2000 consist of pararealgar.
In an intercalated nanocomposite the insertion of polymer into the clay structure occurs in a crystallographically regular fashion and few molecular layers of polymer typically occupy the gallery region.
The material has 13 crystallographically unique tetrahedral atoms, as well as 22 oxygen atoms, and thus is one of the most structurally complex zeolitic materials reported to date.
Crystallographically, the a and b axes lie in the plane of the aragonitic tablets, with the c axis uniformly perpendicular to the surface.
The Benitoite Gem mine (also known as the Benitoite mine, the Dallas Gem mine or simply the Gem mine) has been known for 100 years as the source of a crystallographically unique and aesthetic mineral and gem species, benitoite.