Kinoull Hill is a hill about 220 meter high east of Perth. At the steep sides of this hill fine banded agates can be found. The nodules are showing reddish and brownish colours. Very rare are yellowish tones.
More informations about scottish agates are given in Dr.H.G. Macpherson´s book “agates” (published by the British Museum (Natural History) and the National Museums of Scotland).
You can find more informations about scottish agates on the following webpages:
Chris Harlows webpage about scottish agates
Nick Crawfords webpage scotsagate
H.Currie Minerals of Scotland