At Londonderry, south of Coolgardie, a large microcline feldspar pegmatite dyke...is a potential source of the lithium minerals lepidolite and petalite". (Geol. Austral. Ore Deposits, 1953, p. 76).
Located near Nepean, Bouchers, and Miriam.
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!