A small rocky island with dolerite and hornfelsed mudstones, to the south of Tasmania. It has some guano deposits, some recrystallised/altered to some rare phosphate minerals.
Mineral List:14 entries listed. 13 valid minerals.
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!