Board Thread:Suggestions forum/@comment-26946666-20160327113959/@comment-26116279-20160328232429

The only thing stated to arrive from moria were letters, Dwarves have in fact befriended elves before gimli, so you're wrong on that count. (need i mention Eregion and Eol). The hints are vague, but the dwarves in moria under balin only found a couple mithril items given that moria had already been mostly sacked by servants of sauron. (Literally, Gandalf states that virtually all the mithril in moria that wasn't in the lower levels which were flooded was stolen by sauron)