UK Grid Reference: SH642533
Latitude: 53°3'33"N
Longitude: 4°1'35"W
Microscopic veinlets carrying small euhedral aeschynite crystals occur in Ordovician rhyolite outcrops.(Howells et al., 1991). Although not fully characterized, work done to date suggests that it is highly likely to be aeschynite-(Y).
Howells, M.F., Reedman, A.J. & Campbell, S.D.G., 1991. Ordovician (Caradoc) marginal basin volcanism in Snowdonia (north-west Wales). HMSO for the British Geological Survey, 191pp.
Grid reference given is for Gallt y Wenallt itself, rather than being a specific mineral location.
Mineral List
1 entry listed.
The above list contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please
register so you can add to our database. This locality information is for reference purposes only. You should never attempt to
visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders
for access and that you are aware of all safety precautions necessary.
Mineral and Locality Search
