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Montmorillonite
CHF 42.90
Auf Lager
SKU
LJ4B82GRPUD
1 Verfügbar 
Geliefert zwischen Do., 20.11.2025 und Fr., 21.11.2025
Details
Montmorillonite is a very soft phyllosilicate group of minerals that typically form in microscopic crystals, forming a clay. It is named after Montmorillon in France. Montmorillonite, a member of the smectite family, is a 2:1 clay, meaning that it has 2 tetrahedral sheets sandwiching a central octahedral sheet. The particles are plate-shaped with an average diameter of approximately one micrometre. Members of this group include saponite. It is the main constituent of the volcanic ash weathering product, bentonite. The water content of montmorillonite is variable and it increases greatly in volume when it absorbs water. Chemically it is hydrated sodium calcium aluminium magnesium silicate hydroxide (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2·nH2O. Potassium, iron, and other cations are common substitutes, the exact ratio of cations varies with source. It often occurs intermixed with chlorite, muscovite, illite, cookeite and kaolinite.
Weitere Informationen
- Allgemeine Informationen
- GTIN 09786130657406
- Genre Geowissenschaften
- Editor Frederic P. Miller, Agnes F. Vandome, John McBrewster
- Anzahl Seiten 80
- Herausgeber Alphascript Publishing
- EAN 9786130657406
- Format Fachbuch
- Titel Montmorillonite
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