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File:Apophyllite T.png

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Summary

Description
English: This image depicts the T layer of apophyllite. Large white spheres are oxygen ions; small black spheres are silicon ions. This is an unusual phyllosilicate structure, consisting of interlocked 4-fold and 8-fold rings of silica tetrahedra with true tetragonal symmetry rather than the 6-fold rings of most phyllosilicates having pseudo-hexagonal symmetry. Structure taken from Ståhl, Kenny (1 January 1993). "A neutron powder diffraction study of partially dehydrated fluorapophyllite, KCa4Si8O20F.6.9H2O". European Journal of Mineralogy. 5 (5): 845–850. doi:10.1127/ejm/5/5/0845.
Date
Source Own work
Author Kent G. Budge

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Captions

T layer (silica backbone layer) of apophyllite

20 April 2021

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290b2148738f8201f5dc7bd066df200400b79842

116,105 byte

949 pixel

927 pixel

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Date/TimeThumbnailDimensionsUserComment
current15:45, 20 April 2021Thumbnail for version as of 15:45, 20 April 2021927 × 949 (113 KB)Kent G. BudgeUploaded own work with UploadWizard

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