Encyclopedic Dictionary of Polymers

2011 Edition
| Editors: Jan W. Gooch


  • Jan W. Gooch
Reference work entry
DOI: https://doi.org/10.1007/978-1-4419-6247-8_6622

\-lә- nīt\ n (1867) Al2O3·2SiO2.2H2O. A finely divided crystalline form of hydrated aluminum silicate that occurs as monoclinic crystals with a basal cleavage, resulting chiefly from the alteration of feldspars under conditions of hydrothermal or pneumatolytic metamorphism. It is an important clay mineral. Density, 2.58 g/cm3 (21.5 lb/gal); refractive index, 156; O.A., 32 to 55; Mohs hardness, 2.5. (Hibbard MJ (2001) Mineralogy. McGraw-Hill, New York; Solomon DH, Hawthorne DG (1991) Chemistry of pigments and fillers. Krieger, New York).

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© Springer Science+Business Media, LLC 2011

Authors and Affiliations

  • Jan W. Gooch
    • 1
  1. 1.AtlantaUSA