The Average Structural Density of Barite Crystals of Different Habit Types (CROSBI ID 104595)
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Radanović-Gužvica, Biserka
engleski
The Average Structural Density of Barite Crystals of Different Habit Types
Eight different habit types of barite crystals which could be classified into 4 essentially different groups were determined by morphological analysis: Eb group - barite crystals elongated in the b axe direction ; Ea group - barite crystals elongated in the a axe direstion ; Tc group - barite crystals tabular on the basal pinacoid ; Ec group - barite crystals elongated in the c axe direction. By determination and comparison of the average structural densities of different habit types of barite crystals, it was possible to establish the spans of their values from 276.1 to 495.8, and overlapping of values for Eb group with Ea group, as well as Tc group with Ec group. The sequence of habit types, with regard to the decreasing average structural density, i.e. the priority sequence of developing of barite crystal types, was determined: Eb group - Ea group - Tc group - Ec group.
Barite; Habit types; Unit cell dimension; Reticular density
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