<p>References for heat capacity data of mineral impurities. – Appendix 3.</p><p>Table A-3. References for Cp data of mineral impurities, used for the calculations of Cp of the studied clay minerals.</p><p>Mineral References for Cp data T range Quartz Richet et al. (1982) 50 K -310 K Goethite Majzlan et al. (2003) 0.4 K – 310 K Microcline Openshaw et al. (1976) 5 K – 310 K Boehmite Hemingway et al. (1991) 5 K – 310 K Diaspore Perkins et al. (1979) 5 K – 310 K Rutile Shomate (1947) 52 K – 298 K Robie and Hemingway 298.15 K – 310 K (1995) Anatase Shomate (1947) 52 K – 298 K Robie and Hemingway 298.15 K – 310 K (1995) Hydroxyapatite Egan et al. (1951) 5 K – 310 K</p><p>References</p><p>Egan, E.P, Wakefield, Z.T., and Elmore, K.L. (1951) Low-temperature heat capacity and</p><p> entropy of hydroxyapatite. American Chemical Society Journal, 72, 5579-5580.</p><p>Hemingway, B.S., Robie, R.A., and Apps, J.A. (1991) Revised values for the thermodynamic</p><p> properties of boehmite, AlO(OH), and related species and phases in the system AIH-</p><p>O. American Mineralogist, 76, 445-457.</p><p>Majzlan, J., Lang, B.E., Stevens, R., Navrotsky, A., Woodfield, B.F., and Boerio-Goates, J.</p><p>(2003) Thermodynamics of Fe oxides: Part I. Entropy at standard temperature and</p><p> pressure and heat capacity of goethite (-FeOOH), lepidocrocite (-FeOOH), and</p><p> maghemite (-Fe2O3). American Mineralogist, 88, 846-854.</p><p>Openshaw, R. E., Hemingway, B. S., Robie, R. A., Waldbaum, D. R., and Krupka, K. M.</p><p>(1976) The heat capacities at low temperatures and entropies at 298.15 K of low albite, analbite, microcline, and high sanidine. U.S. Geological Survey Joumal of Research. 4.</p><p>195-204.</p><p>Perkins D III, Essene EJ, Westrum EF Jr, Wall VJ (1979) New thermodynamic data for diaspore and their application to the system Al2O3-SiO2-H2O. Am Mineral 64:1080–1090.</p><p>Richet, P., Bottinga, Y., Denielou, L., Petitet, J.P., and Tequi, C. (1982) Thermodynamic</p><p> properties of quartz, cristobalite and amorphous SiO2: drop calorimetry measurements</p><p> between 1000 and 1800 K and a review from 0 to 2000 K. Geochimica et</p><p>Cosmochimica Acta, 46, 2639-2658.</p><p>Robie, R.A. and Hemingway, B.S. (1995) Thermodynamic properties of minerals and related</p><p> substances at 298.15 K and 1 Bar (105 Pascals) pressure and at higher temperatures. U.S.</p><p>Geological Survey Bulletin 2131.</p><p>Shomate, C.H. (1947) Heat capacities at low temperatures of titanium dioxide (rutile and</p><p> anatase). America Chemical Society Journal, 69, 218-219. </p>