Yellow Travertine Pigment 100 G Jar

SKU: NAP-433-25-910
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Quantity
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US$ 21.11
US$ 21.11
US$ 20.981%
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Color
Yellow
Processing time
Usually ships the next business day.
Pigment type
Inorganic, Natural
Description

Travertine is a type of limestone that is formed by mineral deposits from natural springs. This sedimentary stone is created by the rapid precipitation of calcite. Other minerals mix together with the calcite to create unique swirls and movements that give the travertine its distinctive character and color. Rublev Colours Yellow Travertine contains small amounts of iron oxide that impart a pale yellow-beige tint.

Pigment Information
Color: Yellow
Pigment Classification: Natural Inorganic
Colour Index: Pigment Red 102 (77491)
Chemical Name: Iron Oxide
Chemical Formula: Fe2O3
CAS No.: 1345-16-0
Series No.: 4
ASTM Lightfastness (based on pigment)
Acrylic: I
Oil: I
Watercolor: I
Physical Properties (mineral)
Particle Size (mean): 8 μ
Particle Size Range: 30 μ: 0.1% maximum
Density: 2.7 g/cm3
Refractive Index: nω = 1.640–1.660 nε = 1.486
Mohs Hardness: 4
Oil Absorption: 24 grams oil / 100 grams pigment
Composition: Calcium (Ca): 52.21%
Silica (SiO2): 0.58%
Iron (Fe2O3): 0.43%
Aluminum (Al2O3): 0.15%
Sulfur (SO3): 0.06%
Health and Safety There are no acute or known chronic health hazards associated with the anticipated use of this product (most chemicals are not fully tested for chronic toxicity). Always protect yourself against potentially unknown chronic hazards of this and other chemical products by keeping them out of your body. Do this by avoiding ingestion, excessive skin contact, and inhalation of spraying mists, sanding dust, and vapors from heating. Conforms to ASTM D-4236.


For a detailed explanation of the terms in the table above, please visit .

Origin and History

Travertine was used in stone masonry dating back to the First Dynasty of Egypt in 3200 BC. The name ‘travertine’ is actually just a corrupted version of the Latin name, travertino, a derivation of the Latin lapis tiburtinus, which means ‘Tibur Stone.’ This is because travertine was first found in vast deposits by the ancient Romans in the city of Tibur, which is now known as Tivoli. Even today, Tivoli is one of the world’s leading travertine producers.

Travertine is a sedimentary rock formed by the precipitation of calcium carbonate minerals from freshwater, typically in springs, rivers, and lakes—surface and ground waters. In the broadest sense, travertine includes deposits in both hot and cold springs, including the porous, spongy rock known as tufa, and also the cave features known as speleothems (which include stalactites and stalagmites).

Both of the major calcium carbonate minerals, calcite, and aragonite, are found in hot spring travertines. Aragonite is precipitated when temperatures are hot, while calcite dominates when temperatures are cooler. When pure and fine, travertine is white, but often it is brown to yellow due to impurities, such as sulfur and ferric compounds, as found in our Yellow Travertine.

Source

Yellow Travertine is from deposits in the Lori Province of Armenia.

Mineral Names
Names (primary mineral): English: travertine
French: travertin
German: Travertin
Italian: travertino
Spanish: tufo
Nomenclature (primary mineral):
Common Name Primary Mineral Source
Travertine Travertine Lori Province, Armenia
Permanence and Compatibility

Based on the colorant, iron oxide, and calcite mineral, this pigment has broad compatibility and permanence with all media. Iron oxide is very lightfast and stable outdoors and has excellent weatherfastness.

Oil Absorption and Grinding

The oil absorption value for Yellow Travertine is 24. This means 24 grams or milliliters (approx.) of linseed oil is required to form a coherent paste for every 100 grams of pigment. Travertine has a Mohs hardness of 4, which gives it the same abrasiveness as marble. This pigment is easy to grind into both waterborne and oil paint.

Toxicity

Travertine is not considered a hazardous substance, however, care should be exercised when handling the pigment to avoid inhaling or ingesting the powder.

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This product is shipped from our supplier's warehouse in Willits, CA, United States
Our guarantee
This product is brand new and includes the manufacturer's warranty, so you can buy with confidence.
A 25% handling charge is levied against all authorized returns except those due to our error. Unauthorized returns are subject to a 40% handling charge. Damages & defects must be reported to us within 14 days.
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