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It was composed of white clay containing powdered feldspar, calcium phosphate and wollastonite (CaSiO 3 ), with quartz . [ 10 ] [ 11 ] Other early European soft-paste porcelain, also a frit porcelain, was produced at the Rouen manufactory in 1673, which was known for this reason as "Porcelaine française". [ 12 ]
Venetian ceruse or Venetian white, [2] also known as blanc de céruse de Venise [3] and Spirits of Saturn, [4] was a 16th-century cosmetic used as a skin whitener. It was in great demand and considered the best available at the time, supposedly containing the best quality white lead sourced from Venice , the global merchant capital at the time.
They are now manufactured using natural pigments (iron oxides, carbon black, titanium dioxide), clay , and a binder (cellulose ether). [2] Conté crayons are most commonly found in black, white, and sanguine tones, as well as bistre, shades of grey, and other colors. Colors sets are especially useful for field studies and color studies.
Year Description Site / location Remark 1710: Meissen porcelain: Meissen, Saxonia: 1st porcelain manufacturing company in Europe 1746: Höchst Porzellanmanufaktur
Limoges porcelain is hard-paste porcelain produced by factories in and around the city of Limoges, France, beginning in the late 18th century, by any manufacturer.By about 1830, Limoges, which was close to the areas where suitable clay was found, had replaced Paris as the main centre for private porcelain factories, although the state-owned Sèvres porcelain near Paris remained dominant at the ...
Montmorillonite, a member of the smectite group, is a 2:1 clay, meaning that it has two tetrahedral sheets of silica sandwiching a central octahedral sheet of alumina. The particles are plate-shaped with an average diameter around 1 μm and a thickness of 0.96 nm ; magnification of about 25,000 times, using an electron microscope, is required ...
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