Material Name:	Goosecreekite
	Chemical Formula:	|Ca4 (H2O)20|1/2 [Al8Si24O64]1/2-GOO
	Unit Cell:	monoclinic	P 1 21 1 (# 4)
		a' = 7.4010 Å	b' = 17.4390 Å	c' = 7.2930 Å
		α' = 90.000°	β' = 105.440°	γ' = 90.000°
		(Relationship to unit cell of Framework Type: a' = a/ 2cos(β'/2), b' = c, c' = a/ 2cos(β'/2) or, as vectors, a' = (a + b)/2, b' = c, c' = (a - b)/2
	Framework Density:	17.6 T/1000 Å3

Channels:

[100] 8 2.8 x 4.0* <-> [010] 8 2.7 x 4.1* <-> [001] 8 2.9 x 4.7* Dimensionality   Sorption (molecular cross section > 3.4Å): 0-dimensional   Topological (pore opening > 6-ring): 3-dimensional

	References:
		Rouse, R.C. and Peacor, D.R.
			"Crystal structure of the zeolite mineral goosecreekite, CaAl2Si6O16·5H2O"
			Am. Mineral., 71, 1494-1501 (1986)

	Name and Code derivation:
		Goosecreekite   GOO