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 ?
For a thorough verification of crystal forms, WAXD was applied to measure iPP samples with different RLC concentrations.
Many fats and waxes crystallise in a crystal form we call beta-prime.
This structure led to one of the first detailed structural comparison of two high-resolution structures of bovine pancreatic trypsin inhibitor determined from two distinct crystal forms (27).
The ligand-free structures reported here are in two different crystal forms, monoclinic and tetragonal systems.
It provides information on functional groups, crystal forms, hydrogen bonding, orientation, conformation, molecular symmetry, and other characteristics of large and small molecules.
The company will combine this technology with a robotic crystallization system that uses nanovolume samples, and will develop protocols for high-throughput crystallization and screening for optimal crystal forms.
In Crystal Forms, his design studio in Pelican Village, Bridgetown, Barbados, he crafts earrings, rings, pendants and other sculpted pieces for his customers.
The fluctuations also correlate with periods when certain salts precipitated out of the oceans and when mineral-making animals, such as sponges and corals, switched between the production of two crystal forms of calcium carbonate.
With surgeon's accuracy, she took a sharp knife and removed skin from a raw chicken, sewing the skins into prophylactics that she placed on top of two Baccarat crystal forms that resembled circumcised penises.
Predominantly dodecahedral followed by octahedral crystal forms as whole crystals and fragments, were observed.
Different types of plants produce phytoliths that look alike, but some groups of species generate distinct crystal forms.
It has been suggested that the origin of the crystal metastability comes from the existence of metastable crystal forms (4, 7-9) as well as thin lamellae and defects in the crystals (2, 4).