Crystal structure analysis and refinement of Kalabsha kaolinite (Al 2 Si 2 O 5 (OH) 4 ) | Zendy

ElSayed Karimat | Zendy; Heiba Z. K. | Zendy; AbdelRahman A. M. | Zendy

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Crystal structure analysis and refinement of Kalabsha kaolinite (Al 2 Si 2 O 5 (OH) 4 )

Author(s) -

ElSayed Karimat,

Heiba Z. K.,

AbdelRahman A. M.

Publication year - 1990

Publication title -

crystal research and technology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.377

H-Index - 64

eISSN - 1521-4079

pISSN - 0232-1300

DOI - 10.1002/crat.2170250314

Subject(s) - triclinic crystal system , kaolinite , crystal structure , crystallography , materials science , tetrahedron , mineralogy , chemistry

The crystal structure of the kaolinite mineral from Kalabsha, Aswan, Egypt, has been investigated with a two‐step procedure of the X‐ray powder pattern‐fitting. The unit cell is found to be triclinic, P1, a = 5.1577(15), b = 8.9417(23), c = 7.3967(40) Å, α = 91.672(5)°, β = 104.860(2) and γ = 89.898(2)°. The refinements of the non‐hydrogen atomic positions showed a reliability factors R WB = 0.037 and R B = 0.0417. The average rotation angle in the tetrahedral layer in 10°.

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