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Van Dyke Brown 1kg

SKU: NAP-462-211K
Van Dyke Brown 1kg
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 1   US$ 49.21 
 2   US$ 48.91 
 3   US$ 48.74 
 4-5   US$ 48.62 
 6-7   US$ 48.45 
 8-11   US$ 48.32 
 12+   US$ 48.15 
Price: US$ 49.21
US$ 49.21

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Product description

Van Dyke brown is a pigment of a deep semi-transparent brown color, supposed to be the color used by Anthony Van Dyke in his paintings. Rublev Colours Van Dyke Brown is imported from Germany.

Pigment Names
Common Names: English: Cassel brown, Cassel earth, Cassel umber, Cologne brown, Cologne earth, Cologne umber, Cullen earth, Kassel earth, Rubens brown, Van Dyck brown, Van Dyke brown, Vandyke brown
French: terre de Cassel, terre de Cologne
German: Kasslerbraun, Kasseler Erde, K├Âlnische Erde, Van Dyck Braun
Italian: terra di Cassel, terra di Colonia
Spanish: tierra de Cassel, carmelita Van Dyck

Origin and History
Van Dyke brown, also known as Cassel earth and Cologne earth, is a brown earth containing iron and manganese oxides and lignites, which are organic substances from peat or coal. It was first used in European painting in the 17th century and is still in use today. This color is found in the pictures of the old masters, among them Rubens, who used it mixed with gold ochre as a warm, transparent brown, which held up particularly well in resin varnish.

A brown earthy substance found in peat and lignite beds and used as a pigment; originally found near Cassel, Germany. Cologne brown or Cologne earth is a similar substance originally found near Cologne, Germany. The brown earth has since been obtained from various localities each of which may differ slightly in color and composition. To add to this confusion some pigments labeled Van Dyke brown are bituminous earths while others are artificial pigments made from carbon black and iron oxide mixtures. When natural Van Dyke brown is ignited, the pigment leaves a soft gray residue. It is not soluble in petroleum solvents like bitumen.

Rublev Colours Van Dyke Brown is a natural mineral imported from Germany composed of pyrolusite (a manganese oxide mineral), goethite (an iron hydroxide mineral) and lignite. Lignite, also known as brown coal, is brownish-black, heterogeneous mixture of compounds that has a high inherent moisture and high ash content compared with bituminous coal.

Permanence and Compatibility
The minerals composing Van Dyke brown, pyrolusite and goethite, are both considered to be among the most permanent pigments on the artist's palette. However, the lignite component of Van Dyke brown has limited lightfastness, chemical resistance and heat stability. Van Dyke brown (the lignite portion) is partially soluble in oil and may exhibit a slight tendency to turn gray (most apparent when mixed with whites). When used in an oil paint layer coated with spirit varnish or mixed with resin varnish it is more permanent than when used in oil alone. It is sensitive to alkalis and becomes a cold gray in fresco. It can be used in oil, egg tempera and watercolor but should not be used in fresco and casein tempera painting techniques. There are no known incompatible pigments.

Oil Absorption and Grinding
Van Dyke brown absorbs a moderate amount of oil, is a medium dryer in oil paint and forms a good film. The oil absorption ratio is 50-60 parts by weight of linseed oil to 100 parts by weight of pigment. If the measurement were grams, Van Dyke brown would require 50-60 grams of linseed oil to grind 100 grams of pigment to form a stiff paste. The pigment absorbs oil with some difficulty, so it is best to let the oil and pigment remain in contact overnight before grinding with a muller. The mixture before grinding may be quite thin, but after grinding, it will stiffen to a jelly-like consistency, which is the nearest state to a paste possible with this pigment. The finished paint may subsequently soften and become more fluid during storage. Using boiled oils does not remedy this situation. From 25 to 50% on the weight of pigment of terra alba may be added to improve the physical characteristics of Van Dyke brown.

Van Dyke brown is not considered toxic, however one of its components, manganese oxide, is moderately toxic and care should be used in handling the dry powder pigment so as not to inhale the dust.

Pigment: Van Dyke Brown
Pigment: Van Dyke Brown

Pigment Information
Color: Brown Black
Colour Index: Natural Brown 8 (77727)
Chemical Name: Iron hydroxide and manganese oxide (partial components)
Chemical Name: FeOOH, MnO2
ASTM Lightfastness Rating
Acrylic: Not tested
Oil: Not tested
Watercolor: Not tested
Density: 1.66
Hardness: -
Refractive Index: 1.62-1.69
Oil Absorption: 50-60 g linseed oil/100 g pigment


Color: Brown Black
Color Index: Natural Brown 8 (77727)
Chemical Name: Iron hydroxide and manganese oxide (partial components), FeOOH, MnO2
Acrylic: Not rated
Oil: Not rated
Watercolor: Not rated
Density: 1.66
Refractive Index: 1.62-1.69
Oil Absorption: 50-60 g linseed oil/100 g pigment

Natural Pigments

Natural Pigments is a limited liability company based in Willits, California. We manufacture and distribute rare and hard-to-find materials for fine artists and decorators. We specialize in supplying artists' materials that were used in historical painting since pre-historic times up to and including the nineteenth century.

We constantly search for materials and products of the finest quality so that we can bring them direct to you from the source. To do so, we travel the world to find materials specifically for use by professional artists and decorators. We obtain minerals from mines in Afghanistan, Chile, Russia, Ukraine and Uzbekistan, to name a few places, processing these into natural pigments. We purchase resins, gums and plants from India, Kenya and Malaysia to make natural varnishes and painting mediums.

Our mission is to provide the largest variety of natural pigments, paints and other professional artists' supplies, enabling us to bring you a selection that makes shopping for rare and hard-to-find art materials easy. Our objective is to promote the education and use of these materials among artists by providing detailed information for their employment in encaustic, fresco, oil, watercolor and tempera painting.
All Natural Pigments products

Product weight: 2.20 lbs

This product is shipped from our warehouse in Gretna, NE, USA.
This product is brand new and includes the manufacturer's warranty, so you can buy with confidence.
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Van Dyke Brown 1 kg
Pigment: Van Dyke Brown

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