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The fibrous zeolite erionite; its occurrence, unit cell, and structure
1959
Mineralogical Magazine and Journal of the Mineralogical Society
Preserved Fulltext
The type locality for erionite has been identified and specimens compared with Eakle's original material. New determinations of the physical properties and a chemical analysis have been made. Correlation of X-ray powder and fibre rotation data with electron diffraction of single crystals has shown that the unit cell is hexagonal with a 13·26, c 15·12 Å., space-group P31c, P¯31c, P63 mc, P¯62c, or P63/mmc, giving a calculated sp. Gr. of 2·07 and atomic cell contents (Ca, Mg, Na2,
doi:10.1180/minmag.1959.032.247.01
fatcat:uwryxhd255h3rp64kmxi7tbp2q