Solid lump (6)
I believe the answer is:
nugget
(Other definitions for nugget that I've seen before include "valuable bit of information" , "valuable fragment" , "quantity of gold?" , "Maxim perhaps" , "valuable piece of information" .)
I believe the answer is:
nugget
(Other definitions for nugget that I've seen before include "valuable bit of information" , "valuable fragment" , "quantity of gold?" , "Maxim perhaps" , "valuable piece of information" .)