My first suggestion is to lower the cost of the Orichalcum gathering tools. I understand the need for a money sink in the game, but the only thing this is doing is causing me, and I am willing to wager a large portion of other people to carry around two sets of tools. Not very fun. Make these tools in line with the others.
Second, on the rich nodes, make them either 9 or 12 hits. The swinging again for one additional ore seems clumsy.