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Experimental Transformation of Kaolinite to Halloysite
Halloysite Hydration Intercalation Kaolinite Rolling Tetrahedral Rotation
2011/12/27
A well-characterized kaolinite has been hydrated in order to test the hypothesis that platey kaolinite will roll upon hydration. Kaolinite hydrates are prepared by repeated intercalation of kaolinite ...
Hydrothermal Reactivity of Mixed-Layer Kaolinite/Smectite: Experimental Transformation of High-Charge to Low-Charge Smectite
Cation-exchange capacity Hydrothermal transformation Kaolinite/smectite Layer charge Smectite X-ray powder diffraction
2012/1/4
A mixed-layer kaolinite/smectite (K/S) containing trace amounts of quartz, discrete kaolinite, goethite-hematite, and calcite was hydrothermally reacted with deionized water at 150°, 200°, and 250°C f...
Experimental Transformation of 2M Sericite into a Rectorite-Type Mixed-Layer Mineral by Treatment with Various Salts. II. Experiments Using a Magnetic Stirrer and a Centrifuge
Interlayer Interstratified Potassium Rectorite Sericite
2012/2/10
Dehydroxylated sericites were stirred in the various salt solutions, or washed several times with various salt solutions using a centrifuge. By these treatments a sericite of the 2M type was easily tr...
Experimental Transformation of 2M Sericite into a Rectorite-Type Mixed-Layer Mineral by Treatment with Various Salts
Rectorite-Type Mixed-Layer Mineral Treatment Various Salts
2012/2/13
Some dehydroxylated sericites were boiled with solutions of various salts. A rectorite-like regular mixed-layer was formed when 2M sericite was treated with solution containing salts such as NaNO3, Na...
Experimental Transformation of a Chlorite into a Vermiculite
Experimental Transformation Chlorite Vermiculite
2012/2/15
An orthochlorite (sheridanite) was heated to 610°C to dehydroxylate the hydroxide sheet and to oxidize ferrous iron. The heated sample was shaken for 20 min in a mixed solution of 0–2 N HCl and 0–2 N ...
The Experimental Transformation of Mica toward Smectite*; Relative Importance of Total Charge and Tetrahedral Substitution
Experimental Transformation Mica Smectite Relative Importance
2012/2/15
This article emphasizes the influence of crystal-chemical composition on the ease of transformation of micas to vermiculite or more smectite-like minerals. The swelling test, with glycerol, of Mg-satu...