A blue colour works () is a

paintworks Paint is a material or mixture that, when applied to a solid material and allowed to dry, adds a film-like layer. As art, this is used to create an image or images known as a painting. Paint can be made in many colors and types. Most paints are ...

where blue

pigment A pigment is a powder used to add or alter color or change visual appearance. Pigments are completely or nearly solubility, insoluble and reactivity (chemistry), chemically unreactive in water or another medium; in contrast, dyes are colored sub ...

for use in

glassmaking Glass production involves two main methods – the float glass process that produces sheet glass, and glassblowing that produces bottles and other containers. It has been done in a variety of ways during the history of glass. Glass container ...

is produced. Usually the

cobalt blue Cobalt blue is a blue pigment made by sintering cobalt(II) oxide with aluminium(III) oxide (alumina) at 1200 °C. Chemically, cobalt blue pigment is cobalt(II) oxide-aluminium oxide, or cobalt(II) aluminate, CoAl2O4. Cobalt blue is lighte ...

, needed for this purpose, was manufactured from cobalt-containing

ore Ore is natural rock or sediment that contains one or more valuable minerals, typically including metals, concentrated above background levels, and that is economically viable to mine and process. The grade of ore refers to the concentration ...

as in the case of the factories listed below.

Blue colour works

Saxony Saxony, officially the Free State of Saxony, is a landlocked state of Germany, bordering the states of Brandenburg, Saxony-Anhalt, Thuringia, and Bavaria, as well as the countries of Poland and the Czech Republic. Its capital is Dresden, and ...

** Oberschlema Blue Colour Works (''Blaufarbenwerk Oberschlema'') (founded 1644) in Oberschlema, according to some sources this was the largest blue colour works in the world ** Schneeberg Blue Colour Works (''Blaufarbenwerk Schneeberg'') (1568 to around 1580) in Schneeberg, the first small blue colour works in Saxony ** Unterjugel Blue Colour Works (''Blaufarbenwerk Unterjugel''), 17th century, in Unterjugel ** Niederpfannenstiel Blue Colour Works (''Blaufarbenwerk Niederpfannenstiel'') (founded 1635) in Niederpfannenstiel ** Schindler's Blue Colour Works (''Schindlersches Blaufarbenwerk'') (founded 1649) in Schindlerswerk ** Oehmesches Blue Colour Works (1649–1688) (''Oehmesches Blaufarbenwerk'') in Annaberg **

Zschopenthal Blue Colour Works The Zschopenthal Blue Colour Works () was a paintworks in the Ore Mountains that manufactured blue glass paste. It is located in the village of Zschopenthal in the parish of Grünhainichen in the German state of Saxony. History The paintw ...

(''Zschopenthal Blaufarbenwerk'') (1687–1847) in Zschopenthal *

Prussia Prussia (; ; Old Prussian: ''Prūsija'') was a Germans, German state centred on the North European Plain that originated from the 1525 secularization of the Prussia (region), Prussian part of the State of the Teutonic Order. For centuries, ...

Hasserode Blue Colour Works Hasserode has been a quarter in the town of Wernigerode in the German state of Saxony-Anhalt since 1907. Location Hasserode lies at the foot of the Harz Mountains in the valley of the River Holtemme, whose upper reaches include the water ca ...

(''Blaufarbenwerk Hasserode'') (to around 1850) *

Bohemia Bohemia ( ; ; ) is the westernmost and largest historical region of the Czech Republic. In a narrow, geographic sense, it roughly encompasses the territories of present-day Czechia that fall within the Elbe River's drainage basin, but historic ...

** Christophhammer Blue Colour Works (''Blaufarbenwerk Christophhammer'') (1750–1874) in Christophhammer *

Norway Norway, officially the Kingdom of Norway, is a Nordic countries, Nordic country located on the Scandinavian Peninsula in Northern Europe. The remote Arctic island of Jan Mayen and the archipelago of Svalbard also form part of the Kingdom of ...

Modum Blue Colour Works Modum is a municipality in Buskerud county, Norway. The administrative centre of the municipality is the town of Vikersund. The municipality of Modum was established on 1 January 1838 (see formannskapsdistrikt). The area has a long tradition of ...

Modum Modum is a municipality in Buskerud county, Norway. The administrative centre of the municipality is the town of Vikersund. The municipality of Modum was established on 1 January 1838 (see formannskapsdistrikt). The area has a long tradition of ...

** Snarum Blue Colour Works in Snarum

Literature

* Wilhelm Bruchmüller: ''Der Kobaltbergbau und die Blaufarbenwerke in Sachsen bis zum Jahre 1653.'' Crossen, 1897
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* Friedrich Kapf: ''Beyträge zur Geschichte des Kobolts, Koboltbergbaues und der Blaufarbenwerke.'' Breslau, 1792
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{{Painting-stub Chemical industry Mining in the Ore Mountains Mining in the Harz Cobalt