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    Sale 7806

    Lord St. Helens and Sir William FitzHerbert The Collections of a Diplomat and a Courtier

    22 January 2009, London, King Street

  • Lot 518


    CIRCA 1780

    Price Realised  


    CIRCA 1780
    Of slender form with waisted neck and part ribbed body on a waisted spreading socle and square slate bast, lacking finial
    11¾ in. (30 cm.) high

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    Almost certainly supplied to Sir William FitzHerbert, 1st Bt. (1748-1791) for Tissington Hall, Derbyshire.

    Pre-Lot Text


    Discovered almost two thousand years ago by the Romans, Blue John is a rare natural variety of Calcium Fluorite known as radix amethysti, with its highly distinctive and prized coloured veins. The only known deposit of this unusual mineral occurs in the hills to the west of Castleton in the Hope Valley, Derbyshire, only a few miles from Tissington and opposite the mountain known as 'Mam Tor', the shivering mountain.

    First recorded in the late 17th Century, Blue John, or 'Derbyshire Spar' became increasingly popular in the second half of the 18th Century, fashioned into decorative objects and architectural purposes including chimneypieces. One of the first pioneers of this type of work was Robert Adam, who introduced a Derbyshire spar or 'bluejohn' tablet in the chimneypiece frieze of the neighboring Kedleston Hall's State Bedroom for his patron, Sir Nathaniel Curzon, 5th Bt. (1726-1804).

    Today, Blue John is perhaps most celebrated in the work of the Birmingham silversmith and ormolu-manufacturer Matthew Boulton. Boulton wrote to John Whitehurst of Derby in December of 1768 stating that he had 'found a use for Blew John which will consume some quantity of it. I mean that sort which is proper for turning into vases.' In March of the following year Boulton purchased 14 tons cwt of this prized stone from John Platt at Castleton for the then substantial sum of £81 1s. 6d. Undoubtedly, the majority of this stone was destined to be mounted with ormolu in the form of elegant candelabra, urns, candlesticks and perfume burners. However, others no doubt preferred the stone in its purer form - with the richness of its remarkable colouring and the skills of the lapidarist alone coming to the fore. This is certainly true of the Tissington Blue John - and interestingly this same taste for unmounted Blue John was shared by Sir Nathaniel Curzon, 5th Bt. (1726-1804) at Kedleston.

    Boulton was not alone in his use of the Derbyshire mineral and there are records listing several further Derbyshire makers in both the late 18th Century and early 19th Century. These include Robert Bradbury of Castleton, Derbyshire, who supplied six Blue John bodies for sphinx vases for Boulton in 1770, as well as James Shaw and Vallance - both of Matlock - who produced vases of monumental scale.

    The mines and seams of Blue John are now largely exhausted.