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Mimetic Twinning in Urea–Ammonium Bromide

Nature volume 187, page 765 (1960)Cite this article

Abstract

DURING an investigation of the crystal structure of the 1 : 1 complex formed by urea and ammonium bromide it was found that certain of the crystals obtained from solution exhibited orthorhombic symmetry whereas the remainder appeared to belong to the lower monoclinic system. Examination of these under the polarizing microscope did not reveal any obvious macrotwinning.

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  1. Research Department, African Explosives and Chemical Industries, Ltd., P.O. Northrand, Transvaal

    C. G. C. CATESBY

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  1. C. G. C. CATESBY
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CATESBY, C. Mimetic Twinning in Urea–Ammonium Bromide. Nature 187, 765 (1960). https://doi.org/10.1038/187765a0

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