Material Name:	Franzinite
	Chemical Formula:	|(Na,K)30 Ca10 (SO4)10 (H2O)2 | [Al30Si30O120]-FRA
	Unit Cell:	trigonal	P 3 2 1 (# 150)
		a' = 12.9160 Å	b' = 12.9160 Å	c' = 26.5430 Å
		α' = 90.000°	β' = 90.000°	γ' = 120.000°
	Framework Density:	15.6 T/1000 Å3

Channels:

apertures formed by 6-rings only Dimensionality   Sorption (molecular cross section > 3.4Å): 0-dimensional   Topological (pore opening > 6-ring): 0-dimensional

	References:
		Ballirano, P., Bonaccorsi, E., Maras, A. and Merlino, S.
			"The crystal structure of franzinite, the ten-layer mineral of the cancrinite group"
			Can. Mineral., 38, 657-668 (2000)
		Ballirano, P. and Maras, A.
			"Improved powder X-ray data for cancrinites IV: Franzinite"
			Powder Diffraction, 16, 216-219 (2001)
			Material name:   Franzinite
			Chemical formula:   [Al30Si30O120]-FRA

	Name and Code derivation:
		Franzinite   FRA