crystal habit


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crystal habit

[′krist·əl ‚hab·ət]
(crystallography)
The size and shape of the crystals in a crystalline solid. Also known as habit.
References in periodicals archive ?
Higgins (1994) has shown that it is possible to estimate the crystal habit from the width/length ratio distributions.
The observed crystal habits of the frost flowers were long needles, betraying their origin from the vapour phase at temperatures between -20[degrees]C and -30[degrees]C.
The crystal habit of drug was more prominent in the coevaporated product of drug and lauric acid, which showed the formation of agglomerate (Figure.
Because magnetite crystals of cubic and tetrahexahedral habit are so rare worldwide, we investigated their crystal habits at this locality in more detail (Chamberlain and Robinson 1993; Morgan, et al.
The crystal habit shown here is reminiscent of wheat sheaves.
The crystal habit of these specimens is similar to that of specimens from the 2004 pocket, but the pink portions of the crystals have a more intense color, grading into a deep raspberry-red.
The comparison with the classic Alpine specimens, in particular those from Savoy (France) and Switzerland, is unavoidable because of the close similarity in color and crystal habit, made all the more interesting by the differences in associated minerals.
Terry told me that only the guanacoite's prismatic crystal habit distinguishes it visually from spangolite, which can have the same color and cleavage.
That each calcite represents a separate depositional event is suggested by differences in fluorescence under ultraviolet light (suggesting differences in trace-element chemistry) and crystal habit (Table 1).
The crystal habit is always thick-tabular, regardless of color, and in some cases the crystals have re-entrant angles around the rim due to parallel growth.
He was color blind so he had developed a real skill in identifying minerals by crystal habit.
The agency should also define substances based on their physical properties, such as the crystal habits of various minerals, which can be relevant to whether the substance presents an unreasonable risk.