On the Unit Cell of Calcium Potassium Sulphate Hydrate: Synthetic and Natural Syngenite

E. Aruja

The Building Research Station, Garston, Warford.

Summary: The space group and unit cell of natural syngenite have been redetermined. X-ray powder photographs of natural syngenite and synthetic CaSO₄.K₂SO₄.H₂O were found to be practically identical. Optical and d.t.a. data are also given.

Mineralogical Magazine; September 1958 v. 31; no. 242; p. 943-946; DOI: 10.1180/minmag.1958.031.242.07
© 1958, The Mineralogical Society
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