Material Name:	Gismondine
	Chemical Formula:	|Ca4 (H2O)16 | [Al8Si8O32]-GIS
	Unit Cell:	monoclinic	P 1 1 21/a (# 14)
		a' = 9.8430 Å	b' = 10.0230 Å	c' = 10.6160 Å
		α' = 90.000°	β' = 90.000°	γ' = 92.417°
		(Relationship to unit cell of Framework Type: a' = a, b' = b, c' = c)
	Framework Density:	15.3 T/1000 Å3

Channels:

{[100] 8 3.1 x 4.5 <-> [010] 8 2.8 x 4.8}*** Dimensionality   Sorption (molecular cross section > 3.4Å): 0-dimensional   Topological (pore opening > 6-ring): 3-dimensional

	References:
		Fischer, K. and Schramm, V.
			"Crystal structure of gismondite, a detailed refinement"
			Adv. Chem. Ser., 101, 250-258 (1971)

	Name and Code derivation:
		Gismondine   GIS