1936
DOI: 10.3406/bulmi.1936.4394
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Contribution à l'étude des minéraux des serpentines

Abstract: Ainsi, les silicates de nickel étudiés ne correspondent pas à des espèces minéralogiques spéciales. Nous avons montré que le nom de nouméite servait à désigner le plus souvent une antigorite, parfois un talc, ou une sépiolite ou même un mélange de ces minéraux. D'autre part, nous avons vu qu'une même espèce minérale était désignée par des noms différents : nouméite, rewdanskite, pimélite. Cette confusion s'explique par l'impossibilité, presque complète, dans laquelle on se trouvait, autrefois, pour interpréter… Show more

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Cited by 16 publications
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“…The exothermal effect of the serpentine minerals occurs at about 800-820°: its intensity differs, and in some cases it is generally not expressed (Caillere, 1936). If one considers that the process of dehydration is accompanied directly by the crystallization of olivine, then in some cases the endothermic effect masks the exothermal reaction.…”
Section: International Geology Reviewmentioning
confidence: 95%
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“…The exothermal effect of the serpentine minerals occurs at about 800-820°: its intensity differs, and in some cases it is generally not expressed (Caillere, 1936). If one considers that the process of dehydration is accompanied directly by the crystallization of olivine, then in some cases the endothermic effect masks the exothermal reaction.…”
Section: International Geology Reviewmentioning
confidence: 95%
“…Figure 3 shows clearly the relation between the temperature of the typical endothermal effect and the chemical composition of the members of this isomorphous series: at the magnesium end of the series, lizardite, the endothermal peak has a temperature maximum of 700°; toward nepouite this effect occurs at ever decreasing temperatures so that the nickel end-member of this series, nepouite, has an endothermal peak at about 500°. Such a dependence of the temperatures of endothermic effects on the composition of the octahedral Notes: 1 -Kennen Cove, Lizard (Deer et al, 1962);2 -Kopaonik (Raclukich and Nikolich, 1963); 3 -Nilizardite, Calif. (Montoya and Baur, 1963); 4 -Ni-lizardite, New Caledonia (Montoya and Baur, 1963); 5 -Nepouite, New Caledonia (Glasser, 1907;Caillere, 1936); 6 -New Caledonia, (Montoya and Baur, 1963 layer of serpentine minerals was noted by Caillere and Henin( 1957). The decrease of the temperature of the endothermal effect in our case was probably also affected by the difference in degree of crystallinity of lizardite and nepouite.…”
mentioning
confidence: 97%
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