Material Name:	Brewsterite
	Chemical Formula:	|Ba0.5Sr1.5 (H2O)10 | [Al4Si12O32]-BRE
	Unit Cell:	monoclinic	P 1 21/m 1 (# 11)
		a' = 6.7930 Å	b' = 17.5730 Å	c' = 7.7590 Å
		α' = 90.000°	β' = 94.540°	γ' = 90.000°
	Framework Density:	17.3 T/1000 Å3

Channels:

[100] 8 2.3 x 5.0* <-> [001] 8 2.8 x 4.1* Dimensionality   Sorption (molecular cross section > 3.4Å): 0-dimensional   Topological (pore opening > 6-ring): 2-dimensional

	References:
		Schlenker, J.L., Pluth, J.J. and Smith, J.V.
			"Refinement of the Crystal Structure of Brewsterite, Ba0.5Sr1.5Al4Si12O32·10H2O"
			Acta Crystallogr., B33, 2907-2910 (1977)
		Perrotta, A.J. and Smith, J.V.
			"The crystal structure of brewsterite, (Sr,Ba,Ca)(Al2Si6O16)·5H2O"
			Acta Crystallogr., 17, 857-862 (1964)
			Material name:   Brewsterite
			Chemical formula:   [Al4Si12O32]-BRE

	Name and Code derivation:
		Brewsterite   BRE