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Sample n° 5466

Minerals found in the sample
Mineral Formula Category Subcategory Importance
BIOTITE K(Mg,Fe2+)3(Si3Al)O10(OH,F)2 phyllosilicates mica major
Description
Description: large crystals (30 cm)
Information: Rouxhet, P.G. & Fripiat, J.J., 1966. Influence du traitement thermique d'un mica (biotite) sur l'adsorption des gaz rares argon et krypton. Bulletin du Groupe Français des Argiles 17, 81-92. // Rouxhet, P.G., Herbillon, A. & Fripiat, J.J., 1966. Note sur la rélation entre la vermiculitisation des micas et l'orientation des dipôles OH. Bulletin du Groupe Français des Argiles 18, 3-9. // Rouxhet, P.G., 1970. Kinetics of dehydroxylation and of OH-OD exchange in macrocrystalline micas. American Mineralogist 55, 841-853. // Rouxhet, P.G., 1970. Hydroxyl stretching bands in micas : a quantitative interpretation. Clay Minerals 8, 375-388. // Rouxhet, P.G. & Fripiat, J.J., 1971. Effet de la température sur l'intensité apparente des bandes de vibration de valence OH de solides inorganiques. Bulletin de la Classe des Sciences, Académie Royale de Belgique, 57, 101-124. // Rousseaux, J.M., Gomez Laverde, C., Nathan, Y. & Rouxhet, P.G., 1972. Correlation between stretching bands and the chemical composition of trioctahedral micas. In Serratosa, J.M. (ed.), Proceedings of the International Clay Conference, Madrid. CSIC, Madrid, pp. 89-98. // Rousseaux, J.M., Rouxhet, P.G., Vielvoye, L.A. & Herbillon, A.J., 1973. The vermiculitization of trioctahedral micas. I. The K level and its correlation with chemical composition. Clay Minerals 10, 1-16. // geochronology - Cahen, L. & Snelling, N.J., 1966. The Geochronology of Equatorial Africa. North-Holland Publishing Company, Amsterdam, 195 pp. (Monteyne-Poulaert, unpublished data)
Origin
Country: Congo (RDC)       Region: Kivu       Locality: Masisi, Luindi
Specification
Donors MGL Sampling year
Donation year 1955 Registration date
 
Quantity 2 Dimension code 1>2>3 2
Size 1 Quality code 1>2>3 1
 
Holotype no Thin section no
Paratype no Chemical analysis no
Radioactive no X-Ray spectra no