Citation: Muller, G.; Paulus, H.; Stiefel, J. (1990). Synthesis and structure of beta-quartz type Na0.5H0.5AlSi206 as compared to LiAlSi206 Note: stuffed beta-quartz type structure Sample: ref 2. Neues Jahrbuch fur Mineralogie, Monatshefte, 1990, pp. 493-503.