Abstract
Four pseudomorphic elongated talc specimens from different countries (supplied by EUROTALC) are analyzed. In the ‘dimension relevant to health’ (approx. < 15 microns) all samples exhibit talc feature only (platy, soft, inelastic, bendable). Properties of rare ‘elongated talc particles’ (ribbons, fibers, etc.) originating from cleavage fragments, disorder in the crystal lattice or pseudomorphosis are described in contrast to different features of amphibole fibers. The urgent need for a dust bank with well-defined standard samples for common research is emphasized.
This is a preview of subscription content, log in via an institution to check access.
Access this chapter
Tax calculation will be finalised at checkout
Purchases are for personal use only
Preview
Unable to display preview. Download preview PDF.
References
Amelinckx S, Delavignette P (1961) Electron microscope observation of dislocations in talc. J Apll Phys 32: 341–351
Ampian SG (1976) Asbestos minerals and their nonasbestiform analogs. In: Asher IM, McGrath PP (eds) Proc.lst FDA office of science summer symposium on Electron microscopy of microfibers, Pennsylvania State Univ, Univ Park, PA, Aug. 23–25, 27 p
Campbell WJ, Blake RL, Brown LL, Cather EE, Sjoberg JJ (1977) Selected silicate minerals and their asbestiform varieties, mineralogical definitions and identification-characterization. Information Circular/1977 - IC8751. US Bureau of Mines, 56 p
Campbell WJ, Steel EB, Virta RL, Eisner MH (1979) Relationship of mineral habit to size characteristics for tremolite, cleavage fragments and fibers. Rep Investigations/1979-R18367. US Bureau of Mines, 18 p
Campbell WJ, Huggins CW, Wylie AG (1980) Chemical and physical characterization of amo-site, chrysotile, crocidolite, and nonfibrous tremolite for oral ingestion studies by the National institute of environmental health sciences. Rep Investigations/1980-RI8452. US Bureau of Mines, 63 p
Felius RO (1986) EM-Research into the fibrous constituents of an industrial talc powder. In: Abstr 14th General meeting IMA, Stanford Univ, Standford CA, July 13–18: p 97
Frye K (1974) Modern mineralogy, Prentis Hall, New Jersey
Giese RF jr (1975) Interlayer bonding in talc and pyrophyllite. Clays and Clay Miner 23: 165–166
Kleinfeld M, Messite J, Kooyman O, Zaki MH (1967) Mortality among talc miners and millers in New York State. Arch Environ Health 14: 663–667
Lamm SH, Levine MS, Starr JA, Tirey SL (1988) Analysis of excess lung cancer risk in short-term employees. Am J Epidemiol 127: 1202–1209
Pott F (1980) Animal experiments on biological effects of mineral fibres. In: Wagner JC (ed) Biological effects of mineral fibres. IARC Publ 30, 1: 261–272
Pott F (1988) Die krebserzeugende Wirkung anorganischer Fasern im Tierexperiment–Daten und Bewertung. Umwelthygiene 20: 97–134
Rayner JH, Brown G (1973) The crystal structure of talc. Clays and Clay Miner 21: 103–114
Roe LA, Olson RH (1983) Talc. In: Lefond SJ (ed) Industrial minerals and rocks 5th edn. SME-AIME: 1275–1301
Ross M, Smith WL, Ashton WH (1968) Triclinic talc and associated amphiboles from Gouverneur mining district New York. Am Mineral 53: 751–769
Souza Santos H de, Yada K (1988) Thermal transformation of talc as studied by electron-optical methods. Clays and Clay Miner 36: 289–297
Stanton MF, Layard M, Tegeris A, Miller E, May M, Morgan E, Smith A (1981) Relation of particle dimension to carcinogenicity in amphibole asbestoses and other fibrous minerals. J Nat Cancer Inst 67: 965–975
Strunz H (1978) Mineralogische Tabellen, 7th edn. Akad Verlags Ges, Leipzig
Tufar W (1979) Anthophyllit und Talk von Vorau (Oststeiermark). Joanneum Mineralog Mbl 47: 37–50
Veblen DR (1980) Anthophyllite asbestos: microstructures, intergrown sheet silicates, and mechanisms of fiber formation. Am Mineral 65: 1075–1086
Veblen DR, Buseck PR (1981) Hydrous pyriboles and sheet silicates in pyroxenes and uralites: intergrowth microstructures and reaction mechanisms. Am Mineral 66: 1107–1134
Virta RL (1985) The phase relationship of talc and amphiboles in a fibrous talc sample. Rep Investigations/1985-R18923. US Bureau of Mines, 11 p
Wagner JC, Berry G (1973) Investigations using animals. In: Bogovski P, Gilson JC, Timbrell V, Wagner JC (eds) Biological effects of asbestos. IARC Publ 8: 85–88
Winkler HGF (1979) Petrogenesis of metamorphic rocks, 5th edn. Springer, New York
Author information
Authors and Affiliations
Editor information
Editors and Affiliations
Rights and permissions
Copyright information
© 1990 Springer-Verlag Berlin Heidelberg
About this paper
Cite this paper
Schenk, U.M., Golob, P., Kolmer, H. (1990). Talc — A Morphological Study on Pseudomorphs. In: Bignon, J. (eds) Health Related Effects of Phyllosilicates. NATO ASI Series, vol 21. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-75124-0_7
Download citation
DOI: https://doi.org/10.1007/978-3-642-75124-0_7
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-642-75126-4
Online ISBN: 978-3-642-75124-0
eBook Packages: Springer Book Archive