Limonite 100g

SKU: NAP-431-1010
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US$ 135.00
US$ 150.00
US$ 135.00
US$ 150.00
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Description

Rublev Colours Limonite is yellow earth pigment from a natural mixture of minerals obtained in Cyprus. Limonite is not a true mineral but a mixture of similar hydrated iron oxide minerals. Limonite is mostly made up of the mineral goethite.


Origin and History
Known since antiquity, limonite is the natural mineral composing the pigment known as ocher (okhra in Greek). Ocher has been used as a pigment since prehistoric times and is perhaps the most widely used pigment for artists' paints. Limonite is named from the Greek word for "meadow," an allusion to its occurrence as a "bog ore" in meadows and marshes.

Source
Rublev Colours Limonite is yellow earth pigment from a natural mixture of minerals obtained in Cyprus. Limonite is a natural earth containing clay tinted by hydrated iron oxide and traces of calcium sulfate (gypsum) or calcium carbonate (chalk). Limonite is a general term used to describe all forms of hydrated iron oxide minerals (FeOOH) that occur as natural clay or earth. Limonite includes the minerals , akaganeite and lepidocrocite. Limonite forms mostly in or near oxidized iron and other metal ore deposits, and as sedimentary beds. Depending upon the content of hydrated iron oxide, the color of limonite varies from yellow to brownish-black.

Permanence and Compatibility
Limonite is among the most permanent colors among the artists' palette. It is compatible with all other pigments, and can be used with good results in all mediums.

Oil Absorption and Grinding
Limonite absorbs a moderate amount of oil. The oil absorption ratio is 35 parts by weight of linseed oil to 100 parts by weight of pigment. If the measurement were grams, limonite would require 35 grams of linseed oil to grind 100 grams of pigment to form a stiff paste.

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


Pigment: Limonite

Shipping specs
Weight
0.22 lbs
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This product is shipped from our warehouse in Willits, CA, United States
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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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