perfect crystal


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perfect crystal

[′pər·fikt ′krist·əl]
(crystallography)
A crystal without lattice defects; it is an unattained ideal or standard.
References in periodicals archive ?
"Crystals help people to empower their personal journey with the energy their spirit needs—and our sale will allow people to find their perfect crystal at an even cheaper price.
Swarovski crystal pearls have an unparalleled, harmonious and lustrous shimmer-the first in the world to combine the quality of a perfect crystal core with the exquisite beauty of pearl coating.
Our work aims to evaluate the (i) solubility of individual crystal faces of quartz and (ii) dissolution of the areas of mechanical defects in comparison with dissolution of perfect crystal faces, and utilization of this knowledge in the study of metasomatic quartz dissolution.
As one member mentions in the article, it wasn't long ago that a property management company's head of technology was the person who could help staff members remove the virus from their PC or produce the perfect Crystal report.
If all of the proteins in the crystal are aligned in an identical way, forming a very perfect crystal, then all of the proteins will scatter x-rays the same way, and the diffraction pattern will show the fine details of crystal.
Higher temperature crystallization peak corresponded to a perfect crystal melting, while the low temperature peak was the low degree of crystal perfection 10,11].
Perfect crystal materials do not exist in nature, and defects comprising vacancies and interstices occur in various natural materials [9,10].
To get maximum thrills, and if you are blessed with perfect crystal powder and sunshine like we were, hire a local guide.
The experiments were conducted at the NIST Center for Neutron Research on the perfect crystal diffractometer for ultra-high resolution small-angle neutron scattering (USANS) measurements.
with [13] [L.sub.c] being thickness of the crystalline lamellar, [[sigma].sub.e] being energy of surface of the principal facets of ends of the crystalline lamella (0.070 J/[m.sup.2]), [MATHEMATICAL EXPRESSION NOT REPRODUCIBLE IN ASCII] being melting enthalpy of the perfect crystal (2.905 x [10.sup.5] J/[kg.sup.-1]), [[rho].sub.c] being density of the perfect crystal (1000 kg/[m.sup.3]), [T.sub.0] being theoretical melting point of the lamella of infinite size (143.5[degrees]C), and T being melting point of the lamella.
Its main attraction is the Matri Mandir, an astounding golden dome meditation temple with the world's optically perfect crystal globe at its center.
This is well-defined by the definition of a perfect crystal. The element [u.sub.B] is called the ground state path of B.