#53221
Biotite, coarse
250 - 1000 µ
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Please read the material safety data sheet (MSDS)
Safety Data Sheet 53221_SDS.pdf
Own production Further products by Kremer Pigmente
The magnetic black generic compound biotite (named in honour of the 19th century French physicist and mineralogist Jean-Baptiste Biot) belongs to the group of sheet silicate. Together with muscovite, this dark magnesia-iron-glimmer is the most common among the mica group. Biotite is a very common rock-forming mineral found in schists, gneises, granites and rhyolites, often in association with quartz, potassic feldspars, plagioclase, nepheline, muscovite and others. Biotite flakes can be split up into very thin, highly translucent sheets. When pulverized, filtered, and carefully washed biotite makes a beautiful brown color with a brilliant golden luster. In Europe, biotite is found mostly in the Ore Mountains east of Prísecnice (near the German-Czech border), in the Hrubý Jeseník Mountains, the Owl Mountains, in Alsace near Saine-Marie-aux-Mines and in Norway. Other important sources for biotite are Canada and India. The biotite from Kremer Pigmente comes from Canada.
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- Chemical description: Magnesia-iron-glimmer, KAl2 (AlSi3O10) (OH)2 (CAS 12001-26-2)
- Lightfastness - thinned: 8 (1 is bad, 8 is best)
- Lightfastness - medium: 8 (1 is bad, 8 is best)
- Lightfastness - concentrated: 8 (1 is bad, 8 is best)
- ColorIndex: PW 20.77019
- Suitability: Acrylics, Ceramic, Lime / Fresco
- Colors: Brown, Gray
- Forms: powder
- Solubility in water: insoluble
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For which application / techniques is Biotite, coarse suitable?
Biotite, coarse is suitable for Ceramic, Acrylics, Lime / Fresco -
What color has Biotite, coarse?
Biotite, coarse has the colors Gray, Brown. -
What Colorindex has Biotite, coarse?
Biotite, coarse has the Colorindex PW 20.77019. -
How lightfast is Biotite, coarse?
Biotite, coarse has the lightfastness thinned = 8, medium = 8, concentrated = 8 (1 is bad, 8 is best).