![]() ![]() Smalt, Bruno Mühlethaler and Jean Thissen, Studies in Conservation, Vol.Wood and Hsu Yi-Ting, 2019, Internet Archaeology 52, Internet Archaeology An Archaeometallurgical Explanation for the Disappearance of Egyptian and Near Eastern Cobalt-Blue Glass at the end of the Late Bronze Age, Jonathan, R.In early glass production, the rarest of colors was red. Copper oxides also make glass blue to bluish green. Koboltgruvene og blaafarveværket: en del af den store verden (in Norwegian). You may have seen cobalt blue glass yes, that color comes from adding cobalt. ^ David Masson, Register of the Privy Council of Scotland, 1607-1610, vol. Cobalt Blue Wispy Opal is a translucent wispy opalescent glass that features a traditional dark blue streaked with an opalescent base that glows bright blue.Thyssen, "Smalt", In : A.Roy, Artist's Pigments: A handbook of Their Characteristics, volume 2, 1993, p. Painting materials: a short encyclopaedia. ^ Rutherford John Gettens George Leslie Stout (1966).2 (Oxford, England: Oxford University Press, 1997). ^ See also: Bruno Mühlethaler and Jean Thissen, "Smalt," pages 113–130 in Ashok Roy, ed., Artists' Pigments: A Handbook of Their History and Characteristics, vol.Ciliberto, "Decay characteristics of glassy pigments: an XPS investigation of smalt paint layers," Applied Physics A, vol. ^ See: (1) Mauro Bacci and Marcello Picollo, "Non-Destructive Spectroscopic Detection of Cobalt(II) in Paintings and Glass," Studies in Conservation, vol.sur les châteaux royaux et les beaux-arts au XVIE siècle, recueillis par le marq. Les comptes des bâtiments du roi, 1528–1571. Freer Gallery of Art, The Smithsonian Institution and Department of the History of Art, University of Michigan. "Notes on the Use of Cobalt in Later Chinese Ceramics". Cobalto, zaffera, smalto dall'antichità al XVIII secolo (in Italian). ![]() ^ Seccaroni, Claudio Haldi, Jean-Pierre (2016). ![]() ^ a b "The Changing Properties of Smalt Over Time".^ Glass Plates, Cobalt, Flinn Scientific Youghiogheny Yellow with White and Cobalt Blue True Dichro Glass 13.18 Youghiogheny Yellow with Deep Purple and Cobalt Blue True Dichro Glass 12.98 Youghiogheny Yellow with Emerald Green, Cobalt Blue True Dichro Glass 12.98 Youghiogheny Yellow with Red True Dichro Glass 15.00 Youghiogheny Yellow with Red and White True Dichro Glass 12.The result was an intensely blue glass-like substance that was ground and sold to producers of glassware and porcelain. The process used for producing cobalt smalt glass at the Blaafarveværket industrial manufacturing center in Norway in the 19th century has been documented as smelting cobalt oxide together with quartz and potassium carbonate. James VI and I considered awarding a patent for making a "blue azure" product for this purpose in Scotland in February 1609. In England and Scotland, smalt was added to laundry starch. However, its presence in Dieric Bouts' The Entombment from circa 1455 proves that it was used at least a century earlier. The invention of a European smalt process has traditionally been credited to a Bohemian glassmaker named Christoph Schürer, around 1540–1560. 1483), and in the frescos of Domenico Ghirlandaio (1449–1494). 1540), in Michael Pacher's painting "The Early Fathers' Altar" (ca. For example, it is found in Hans Holbein the Younger's portrait of Sir William Butts (ca. Smalt, normally now discoloured, is common in European paintings from the 15th to 17th centuries. A large quantity of smalt was purchased for the decoration of the gallery of Francis I of France at Fontainebleau in 1536. A fragment of a mud painting in the ancient Tangut city of Khara-Khoto has been found to contain smalt, judged to be dated between the 11th and 13th centuries. ![]() Cobalt was used as a pigment in Central Asia from the 13th century. We make every effort to ensure your stained glass arrives quickly and to your complete satisfaction.Samples of smalt in the Historical dye collection of the Technical University of Dresden, GermanyĬhinese porcelain used smalt glazes from the Tang dynasty onwards, though Chinese cobalt glass is found from the Zhou dynasty (1122–221 BC). Photos are a general representation of glass colors. Colors and brightness may vary by light source and direction, camera and viewing device.īradstreet Glass ships each ready to ship order within one business day, meticulously packaged for protection. A subtle "catspaw" texture allows modest light transmission when used in stained glass projects, creating an organic look. The flatter double rolled surface minimizes bubble entrapment, so colors can be layered for custom hues. Specifically formulated and tested for compatibility, this glass withstands multiple firings for complex projects without devitrification. Premium handmade Bullseye glass is ideal for high-quality kiln work. Use the pull-down tab to select your size:įree US Shipping on orders over $150 with coupon code SHIPFREE, orġ0% off purchases of $50 or more with coupon code TAKE10 Opaque Cobalt Blue Double Rolled Stained Glass Sheet ![]()
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