Credit: © The Royal Society
Image number: RS.10539
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‘Calx carbonata’ [Ammonite with crystals]
Date
1803
Creator
James Sowerby (1757 - 1822, British) , Naturalist
Object type
Library reference
R64216
Material
Technique
Dimensions
height (print): 233mm
width (print): 145mm
width (print): 145mm
Subject
Content object
Description
Fossil ammonite section with two details of calcium carbonate crystals, here termed ‘crystallized carbonate of lime, lenticular equiaxed’.
Plate 12 from British mineralogy: or coloured figures intended to elucidate the mineralogy of Great Britain, by James Sowerby, volume 1 (London, R.Taylor & Co., 1804).
The accompanying text states that the fossil “is the Helmintholithus Ammonites of Linn. Gmel....abundant in many parts of Great Britain.” The crystals appear “In the chambers of this Nautilus”.
The plate is inscribed: “Jany 1 1803. Published by Jas. Sowerby, London.”
Plate 12 from British mineralogy: or coloured figures intended to elucidate the mineralogy of Great Britain, by James Sowerby, volume 1 (London, R.Taylor & Co., 1804).
The accompanying text states that the fossil “is the Helmintholithus Ammonites of Linn. Gmel....abundant in many parts of Great Britain.” The crystals appear “In the chambers of this Nautilus”.
The plate is inscribed: “Jany 1 1803. Published by Jas. Sowerby, London.”
Associated place