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ArtistSupplySource.com » Painting & Painting Accessories » » » Natural Pigments Red Sartorius Earth 500 g - Color: Red
 

Natural Pigments Red Sartorius Earth 500 g - Color: Red

SKU: NAP-451-4150
The minimum order amount for this product line is $30.00
Natural Pigments Red Sartorius Earth 500 g - Color: Red
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 1   US$ 29.14 
 2   US$ 28.97 
 3   US$ 28.86 
 4-5   US$ 28.79 
 6-7   US$ 28.69 
 8-11   US$ 28.62 
 12+   US$ 28.51 
 
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Product description

Details

Series 2

Sartorius red earth is a natural mineral containing clay tinted by iron oxide that gives an exceptionally warm orange-red hue. Our Sartorius red earth is from mineral deposits in the Tuscany region of Italy.

Pigment Names
Alternate Names: Mars Red is the name given to the synthetic precipitated form of iron oxide.


Origin and History
Sartorius red earth is a red earth from Italy based on the mineral hematite. The word hematite comes from the Greek word hema, meaning blood and was given the name "bloodstone" in ancient Greece (Theofrastus, c. 325 B.C.), implying that the mineral is blood red in color. Hematite is an important ore of iron and its blood red color in the powdered form lends itself well as a pigment. Red earths, including the mineral hematite, are among the oldest pigments known to humankind and has been used by every major civilization and epoch.

Source
Red ochres are natural earths containing clay tinted by iron oxide and is composed of hematite, and traces of gypsum (calcium sulfate) or calcite (calcium carbonate). Hematite is a mineral composed of iron oxide minerals (á-Fe2O3) that occur as natural earth. Depending upon the content of iron oxide and other minerals, the color of red ochre varies from deep red to brownish red. Red iron oxide minerals, such as hematite, are found around the world and have been used as pigments since prehistory.

Permanence and Compatibility
Red ochres are among the most permanent colors among the artist's palette. It is compatible with all other pigments, and can be used with good results in all mediums.

Oil Absorption and Grinding
Red ochres absorb a medium amount of oil, which may slow the drying of oil paint, but because iron oxide is a drier in oil, it dries fast and forms an excellent film.

Toxicity
Red ochres are not considered toxic, but care should be used in handling the dry powder pigment to avoid inhaling the dust.

Pigment: Red Sartorius Earth
Pigment: Red Sartorius Earth

Pigment Information
Color: Red
Colour Index: Pigment Red 101 (77491)
Chemical Name: Iron Oxide
Chemical Formula: á-Fe2O3
ASTM Lightfastness Rating
Acrylic: I
Oil: I
Watercolor: I
Properties
Density: 2.9–4.3
Hardness: 4.0–5.5
Refractive Index: 2.260–2.398







Specifications:

Color: Red
Color Index: Pigment Red 101 (77491)
Chemical Name: Iron Oxide
Acrylic: I
Oil: I
Watercolor: I
Density: 2.9–4.3
Hardness: 4.0–5.5
Refractive Index: 2.260–2.398



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.
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Product weight: 1.10 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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Red Sartorius Earth 500 g




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