[twelvechairs]

[edit] I think you mean 'sandstone universities' [1]. 'Brownstone' is generally a US word (plus most Australian sandstone is not brown).

[1] https://en.wikipedia.org/wiki/Sandstone_Universities

[knackers]

Yeh it's sandstone. Group of 8 is also sometimes used because ANU and Monash wanted to be included :P