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John Henry Heuland
HEULAND, John Henry.

HEULAND, John Henry.
(1778 - 1856)

(Born: 1778; Died: Hastings, Sussex, England, 16 November 1856) English mineral collector & dealer.

Heuland was the nephew of the mineral dealer Jacob Forster [see note under Romé de l'Isle], whose collection he inherited. Subsequently the collection was sold to Charles Hampden Turner, that was later incorporated into Henry Ludlam's, now in the Museum of Practical Geology, London. Heuland was elected to the Geological Society of London in 1813, becoming its foreign secretary from 1818 to 1828. The mineral "Heulandite" named for him by H.J. Brooke in 1822.

Biographical references: Cooper, M.P., "Keeping it in the family: the Humphreys, Forsters and Heulands", Matrix, 9, (2001), no. 1, 3-31. Embry, Foreword, 1977. Russell, A., "John Henry Heuland," Mineralogical Magazine, 20 (1950), 395-405. Sarjeant, Geologists, 1980: 2, 1252. Woodward, History of the Geological Society, 1907: 72, 73, 275 & 298.

1. Auction Catalogs, 1808-1849.
Henry Heuland's influence on mineral collecting in 19th century England was enormous. His ability to bring to market a constant flow of fine mineral specimens from all parts of the world prompted every major English collector of the time to be a regular visitor to his shop. Probably beginning in 1808, Heuland held the first of a long series of mineral specimen auction sales that would extend to the end of his career. All but one of the London sales was held in the "Great Rooms" of the auction company in King Street, Covent Garden founded around 1759 by the bookseller Samuel Paterson. These auctions would leave as a legacy a run of very rare sale catalogs that described the specimens that were for sale. A listing of the known sales is given below.

1808, March 16-19 & 21-32: 57 p., 700 lots sold by King & Lochée.
[1809], from Russell (1950).
1812, May 4-7 & 11-14: 80 p., 1127 lots sold by Christie.
1815, April 24-30: 820 lots sold by King & Lochée.
1815, June 9-10: 44 p., 820 lots sold by King & Lochée.
1816, [Part I] March 25-30: 46 p., 748+9 lots sold by King. [Part II] April 1-5: 34 p., 600 lots sold by King. [Part III] April 22-27: 46 p., 816+2 lots sold by King.
1820, May 1-6: 39 p., 775+3 lots sold by King.
1821, April 30: sold by King.
1824, April 30-May 1, 4-5: 35 p., 602+2 lots sold by Dubois. Specimens from the collection of Marquis de Dree were included.
1825, November 11: 15 p., 211+78 lots sold by Thomas.
1826, April 10-15: 59 p., 1150+22 lots sold by Thomas. Specimens from the collection of Marquis de Dree were included.
1826, May 1-3: 27 p., sold by Thomas.
1826, July 25: from Russell (1950).
1829, May 4-9: 60 p., 1020 lots sold by Thomas.
1830, May 10-12: 37 p., 1020 lots sold by Thomas.
1830, May 31-June 2: 39 p., 510+3 lots sold by Thomas.
1831, May 2-5: 50 p., 714+1 lots sold by Thomas & Stevens.
1832, May 14-17: 50 p., 715 lots sold by Thomas & Stevens.
1833, April 29-May 4: 73 p., 1200+6 lots sold by Thomas & Stevens.
1834, April 14-16: 40 p., 610+3 lots sold by Thomas & Stevens. Included were specimens from the collection of the Dowager Countess of Aylesford.
1834, May 5-9: 56 p., 840+2 lots sold by Stevens. Included were specimens from the collection of the Dowager Countess of Aylesford.
1835, May 11-15: 59 p., 1002+7 lots sold by Stevens. Included were specimens from the collection of the Dowager Countess of Aylesford.
1836, May 2-6: 58 p., 1000 lots sold by Stevens. Included were specimens from the collection of the Dowager Countess of Aylesford.
1837, April 28: 10 p., 200 lots sold by Stevens.
1837, June 12-16: 59 p., 1002+7 lots sold by Stevens. Included were specimens from the collection of the Dowager Countess of Aylesford.
1837, December 11-12: 500 lots sold by Stevens.
1838, May 14-17: 47 p., 837+1 lots sold by Stevens. Included were specimens from the collection of the Dowager Countess of Aylesford.
1838, June 20: sold by Stevens.
1839, February 18-19: 34 p., 407+16 lots sold by Stevens.
1839, May 13-18: 1048 lots sold by Stevens.
1840, May 4-7: 630 lots.
1841, January 12-13.
1841, May 10-11: 456 lots.
1842, May 9-12: 821 lots. Included were specimens form Mr. Hazelwood's collection.
1843, May 15-17: 600 lots.
1844, May 13-14: 420 lots.
1844, July 16: 222 lots.
1846, February 16-17: 400 lots.
1846, May 18-22: 1002 lots. Gerhard Troost of Philadelphia was a major purchaser at this sale.
1847, May 15-16: 400 lots.
1847, June 14-15: 400 lots.
1848, April 14: 200 lots.
1849, June.

Bibliographical references: Chalmers-Hunt, Natural History Auctions, 1976: 71. Cooper, M.P., "Keeping it in the family: the Humphreys, Forsters and Heulands", Matrix, 9, (2001), no. 1, 3-31. Russell, A., "John Henry Heuland," Mineralogical Magazine, 20 (1950), 395-405.

Description d'une Collection de Minéraux, Formée par M. Henri Heuland, et Appartenant a M. Ch. Hampden Turner, ... Par A. Lévy, ... (London, 1837-8).
See under: Lévy, Armand.

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