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The author discusses proposed names for endellione [bournonite] and arguments for and against these names, as well as different types of bournonite. He then writes about the external and crystallographical characteristics of bournonite. Includes a table showing the modification of primitive crystal of bournonite and its varieties, as well as two pages of figures.

An English translation of this paper is found at AP/7/1a.

Subject: Mineralogy

Read to the Royal Society on 4 May 1809.

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51 pages

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Unpublished paper, on endellione by unknown author, 1809, AP/7/1, The Royal Society Archives, London,, accessed on 25 June 2024

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    Dates: 1768-1989

    The 'Archived Papers' collection is comprised of original manuscript scientific papers and letters submitted to the Royal Society which remained unpublished or were abstracted in the journal 'Proceedings of the Royal Society' published from 1830 onwards.

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