1. C. Frondel, The System of Mineralogy, vol. 3, Silica Minerals, 7th ed., Wiley, New York, 1962.
2. V.S. Balitsky, Experimental study of the processes of crystal formation, Nedra, Moscow, 1978 (in Russian).
3. P.I. Heaney, C.T. Prewitt, G.V. Gibbs, (Eds.), Silica; Physical Behavior, Geochemistry and Minerals Applications, Reviews in Mineralogy, vol. 29, Mineralogical Society of America, Washington, DC, 1994.
4. The upper three-phase region in the system SiO2–H2O;Kennedy;Am. J. Sci.,1962
5. Reactions of quartz and corundum with aqueous cloride and hydroxide solutions at temperature and pressure;Anderson;Am. J. Sel.,1967