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Any of numerous minute rudimentary, crystalline bodies of unknown composition found in glassy igneous rocks.

crys′tal·lit′ic (-lĭt′ĭk) adj.


(Minerals) any of the minute rudimentary or imperfect crystals occurring in many glassy rocks
crystallitic adj


(ˈkrɪs tlˌaɪt)

a minute body in glassy igneous rock, showing incipient crystallization.
crys`tal•lit′ic (-ˈɪt ɪk) adj.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.crystallite - any of numerous minute rudimentary crystalline bodies of unknown composition found in glassy igneous rock
crystallization, crystal - a rock formed by the solidification of a substance; has regularly repeating internal structure; external plane faces
References in periodicals archive ?
The preparation has a granular structure comprising one or more crystallites having a particle size of from 5 to 500 [micro]m on 4 [mm.
No molybdenum and nickel species were observed over the hydrodesulfurization catalyst surface, and the average slab length and layer number of the MoS2 crystallites in the catalyst are 2.
Org report, the enamel is composed of a string of nanoparticles called hydroxyapatite crystallites, which are stacked on top of each other and glued together by proteins.
2]) percentage because there was a difference in refractive index between the precipitated crystallites and the surrounding glass matrix, which lead to lose of transparency of the glass because of light scattering by (Ti[O.
4] crystal [20], testifies that positron trapping sites concern rather loosely-packed arsenic sulfide crystallites composing distinct NP.
Nanoparticles on the other hand consists of small crystallites having finite number of atoms.
The crystallites size of each plane can be determined by Scherer's formula which is given below.
Average crystallites sizes were estimated using the full width at half maximum (FWHM) of highly intense diffraction peak in Debye-Scherrer's formula (Culity and Stock, 2001).
From the SEM pictures (Fig 1), it is clearly observed that the precipitated crystallites of was spherulite morphology with narrow size distribution of about few micron in diameter, the spherulite is composed of tiny nanosize platelets of loosely aggregated stabilized structure.
Field emission scanning electron microscopy (FESEM) has been used for microstructure and crystallites size observations.
In the bloodstream, malaria parasites invade and gorge on hemoglobin, converting it into tiny crystallites called hemozoin, says micromechanist Weng Kung Peng of the Singapore-MIT Alliance for Research and Technology in Singapore.
The key to water vapor resistance is a sufficient number of oriented crystallites throughout the material.