Citation: Ferraris, G.; Ivaldi, G.; Khomyakov, A. P. (1995). Altisite Na3K6Ti2[Al2Si8O26]Cl3 a new hyperalkaline aluminosilicate from Kola Peninsula (Russia) related to lemoynite: crystal structure and thermal evolution Sample: RT', T = 20 C, after heating. European Journal of Mineralogy, 7, pp. 537-546.