1. Afonina GG, Bogdanova LA, Makagon VM (1993) Changes of Y and Z octahedra of tourmaline structure under its thermal working from X-ray powder patterns. Zapiski Vserossiyskogo Miner Obshchestva 122/6:89–98 (in Russian)
2. Bačík P, Uher P, Sýkora M, Lipka J (2008) Low-Al tourmalines of the schorl-dravite–povondraite series in redeposited tourmalinites from the Western Carpathians, Slovakia. Can Mineral 46:1117–1129
3. Bershov LV, Martirossyan VO, Marfunin AS, Platonov AN, Tarashchan AN (1969) Colour centres in lithium tourmaline (elbaite). Sov Phys Crystallogr 13:629–630
4. Bogdanova LA, Afonina GG, Glyuk DS, Makagon VM (1981) X-ray study of the thermal transformations of tourmalines. Izv AN SSSR Geol 8:136–142 in Russian
5. Bosi F, Lucchesi S (2004) Crystal chemistry of the schorl-dravite series. Eur J Mineral 16:335–344