Journal ArticleDOI
The Mineralogy of Some Commercial Vermiculites
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This article is published in Clay Minerals.The article was published on 1960-01-01. It has received 22 citations till now.read more
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Book ChapterDOI
Interstratified Clay Minerals
D. M. C. MacEwan,A. Ruiz-Amil +1 more
TL;DR: In this article, it was verified that this irregularity was due to the interstratification of different types of crystalline layers, which is a phenomenon that was first observed on studying clay minerals by X-ray diffraction.
Journal ArticleDOI
X-ray diffraction studies of the thermal behaviour of commercial vermiculites
TL;DR: In this article, the vermiculites were divided into two types: type 1 (Sta. Olalla, Piaui and Goias) and type 2 (Piaui, Goias and Olalla).
Journal ArticleDOI
On the mechanism of exfoliation of ‘Vermiculite’
TL;DR: In this paper, the authors investigated the mechanism of vermiculite exfoliation by using XRD to determine the precise mineralogical composition of six samples of "Vermiculite".
Journal ArticleDOI
Expansion behaviour of commercial vermiculites at 1000 °C
C. Marcos,I. Rodríguez +1 more
TL;DR: In this paper, commercial vermiculites from different places were studied in order to know the cause of their different behaviour after abrupt heating at 1000°C. Mossbauer spectroscopy provided Fe 2+ and Fe 3+ contents and allowed identification of both tetrahedral and octahedral iron.
Journal ArticleDOI
Expansibility of some vermiculites
TL;DR: In this article, the thermal expansion of four samples of vermiculite, one sample containing mica and mica interstratification from various geological origins have been studied, and it is suggested that the sudden release of interlayer water is not the only factor influencing the temperature expansion of these samples, e.g. the presence of relicts of altered mica, loss of OH groups or chemical composition.