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2. Cobalt glass - Wikipedia

   en.wikipedia.org/wiki/Cobalt_glass

   Cobalt glass—known as "smalt" when ground as a pigment—is a deep blue coloured glass prepared by including a cobalt compound, typically cobalt oxide or cobalt carbonate, in a glass melt. Cobalt is a very intense colouring agent and very little is required to show a noticeable amount of colour. Cobalt glass plates are used as an optical ...

3. Bristol blue glass - Wikipedia

   en.wikipedia.org/wiki/Bristol_blue_glass

   It is uncertain when Bristol blue glass was first made but the quality and beauty of the glass swiftly gained popularity, with seventeen glass houses being set up in the city. [3] Lazarus and Isaac Jacobs were the most famous makers of Bristol blue glass in the 1780s. Lazarus Jacobs was a Jewish immigrant to Bristol from Frankfurt am Main, Germany.

4. Glass coloring and color marking - Wikipedia

   en.wikipedia.org/wiki/Glass_coloring_and_color...

   Details of the process and the composition of the glass vary and so do the results, because it is not a simple matter to obtain or produce properly controlled specimens. [5] Small concentrations of cobalt (0.025 to 0.1%) yield blue glass. The best results are achieved when using glass containing potash. Very small amounts can be used for ...

5. Blue in culture - Wikipedia

   en.wikipedia.org/wiki/Blue_in_culture

   Cobalt blue, a pigment of cobalt oxide-aluminium oxide, was a favourite of Auguste Renoir and Vincent van Gogh. It was similar to smalt, a pigment used for centuries to make blue glass, but it was much improved by the French chemist Louis Jacques Thénard, who introduced it in 1802. It was very stable but extremely expensive.

6. Blaafarveværket - Wikipedia

   en.wikipedia.org/wiki/Blaafarveværket

   The works mined cobalt ore and manufactured by smelting blue cobalt glass and cobalt blue (cobalt aluminate) pigment. It is currently a large open-air industrial museum and an art gallery; it is the largest and best preserved mine museum in Europe, and one of Norway's most visited attractions. [1]

7. Jasperware - Wikipedia

   en.wikipedia.org/wiki/Jasperware

   The fired body is naturally white but usually stained with metallic oxide colors; its most common shade is pale blue, but dark blue, lilac, sage green (described as "sea-green" by Wedgwood), [9] black, and yellow are also used, with sage green due to chromium oxide, blue to cobalt oxide, and lilac to manganese oxide, with yellow probably coming ...

8. China painting - Wikipedia

   en.wikipedia.org/wiki/China_painting

   Others say the use of cobalt blue as a pigment for painting pottery was developed in the Middle East, and adopted in China for painting porcelain. [31] However, this has been disputed, since the earliest Middle-Eastern pottery with cobalt blue decoration, from Samarra in Iraq in the 9th century, has Chinese shapes. At that time the potters in ...

9. List of inorganic pigments - Wikipedia

   en.wikipedia.org/wiki/List_of_inorganic_pigments

   Cadmium green: a light green pigment consisting of a mixture of cadmium yellow (CdS) and chrome green (Cr 2 O 3). Chromium pigments. Chrome green (PG17): anhydrous chromium(III) oxide (Cr 2 O 3). Viridian (PG18): hydrated chromium(III) oxide Cr 2 O 3 • xH 2 O. Cobalt pigments. Cobalt green: also known as Rinman's green or zinc green (CoZnO 2 ...