Orientation of the unit cell composed of a lot of the same grain . Melting the machine they are simple cubic , body-centered cubic , face-centered cubic ; simple tripartite ; simple hexagonal ; simple Quartet , body-centered tetragonal ; simple orthogonal base-centered orthogonal , body-centered orthogonal , face-centered orthogonal ; Why fight machine simple monoclinic , bottom center single
Oblique ; simple triclinic lattice and so on. Conserved crystal plane angle : angle of species belonging to the same crystal plane between two corresponding constant . Average : the macroscopic properties of crystals within the various departments of the same. Self-limiting : crystals formed spontaneously with characteristic geometric polyhedron blockade . There knot row
Those points are called nodes particle structure lattice . Quasicrystals are a recently discovered class of new materials , jewelry equipment is different from its internal arrangement of the crystal , but also from non- crystalline .
Crystal has a certain symmetry , there are 32 kinds of symmetry elements of the Department , the corresponding action group called crystal system symmetry point group . Jewelry Tools lattice is periodically checked by the infinite extension of these made .
Common crystals : long-range order : jewelry equipment inside the crystal atoms are arranged in at least the rules in the micron range. Constitute a lattice point is called lattice points , points represent the chemical content of array structures called primitives. The glass , pearls , asphalt, plastic and other non- crystalline , carving wax inside
Arrangement of atoms is chaotic .
Category Crystals: Crystal their internal structure can be divided into seven crystal systems and 14 kinds of lattice type. Only seven legitimate space lattice shape ( corresponding to the seven crystal systems ) , 14 kinds of patterns. Wax injection machine lattice by the lattice energy intensity (or lattice points ) to reflect. X- ray of solids
Structural analysis, can quickly discover , crystalline and non- crystalline , semi- crystalline solids are distinct categories .
Identification of crystals : according to its internal structure features can be divided into crystalline solids , amorphous and semi- crystalline three categories. Its very neat arrangement of atoms inside strict than phalanx of soldiers but also much more tidy . One kind most often used for the rapid identification of their technology is the X-ray technology. Steam
Washing machine composed of a geometric polyhedron plane called the crystal surface . Therefore , the lattice can also be seen as the point group rendezvous point on the array of gold-plated water posed .
Because the crystal is a regular arrangement of atoms , and can come from the lattice minimum unit capable of expressing a complete lattice structure , known as the smallest unit of the cell . According to the modern theory of the crystal lattice , mending the crystal structure of the constituent atoms , molecules ultrasonic cleaning machine
Or ions can be abstracted to the point on the geometry . For a certain space lattice , the vector can choose to divide it into many parallelepiped , each parallelepiped called a unit , and symmetry , small size , with fewer units of its lattice points legitimate grid.
The internal structure of the crystal particles ( atoms , ions, molecules ) are regularly repeated periodically in three-dimensional space arrangement , consisting of a lattice form , showing the geometric shape of a polyhedron shape . If any one of the crystal magnetic polishing machine atoms along party
Translation of intervals , the same will be able to find an atom .