Letter | Published:

Regular Inclusion Pattern in Crystals

Naturevolume 199pages799800 (1963) | Download Citation



INCLUSIONS containing mother liquor are found quite commonly in many natural and manufactured crystals. Usually they seem to be at random positions within the body of the crystal. However, in the case of hexamine (hexamethylene tetramine) the inclusions often form a regular pattern which is related to the crystal symmetry. One of us has commented on this effect previously1; but we give below what we believe to be the first photograph.

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  1. 1

    Denbigh, K. G., Farad. Soc. Disc., No. 5, 188 (1949).

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  1. Department of Chemical Engineering and Chemical Technology, Imperial College of Science and Technology, Prince Consort Road, South Kensington, London, S.W.7

    • K. G. DENBIGH
    •  & E. T. WHITE


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