crystal form


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crystal form

[¦krist·əl ′fȯrm]
(crystallography)
A collection of crystal faces generated by operating on a single face with a subgroup of the symmetry elements of the crystal class.
References in periodicals archive ?
The crystal form of LCBPP crystallization samples was characterized on a wide-angle X-ray diffraction (WAXD, D/max-2550VB/PC, Rigaku Corp.
These LCDs will play the "World of Crystals" advertisement on demand to break-up "auto-pilot" shopping trips down the aisle and educate consumers about the products crystal form, fragrance and its natural composition.
For most minerals, a range of figures is presented, beginning with figures showing a minimum of crystal forms (usually only one) and ending with figures which combine all of the observed forms.
Some materials may crystallise in different crystal forms with differences in melting points, density and optical properties.
State law already limits the amount of crystal iodine an individual can purchase in a month, but it does not limit possession of the substance in either its crystal form or in the more common dilution.
The resulting structure was very similar to that of crystal form I (r.
They have been able to observe differences in crystal form, distribution, and amount, as well as in the crystallization process itself.
With the crystal form available, Crennell exposed the structure to X rays.
Internal chemical zoning within the carrollite crystals commonly has led to the preferential replacement of their interior portions, whereas the thin outer portions of those crystals may remain as unreplaced remnants that exhibit isometric crystal form.
025% dissolved in the room temperature crystal form called ferrite).
The crystal form of methamphetamine is gaining popularity as a club drug among young adults, and is used by some college students as a stimulant to help them stay alert through studies.