Size  4cm x 2.5cm
 
Showy bright blue miniture sized speciman of this lead copper sulphate. Associated minerals in order of importance are aurichalcite, malachite and cerussite. There are probably others in the matrix but these are the main ones. As far as I know linarite was not that common in cabinet sized specimans from Broken Hill. Under magnification  all minerals are very well crystallised , especially the linarite.
Nice bright blue linarite.