Gold prices continue to push higher, setting a new all-time high. Silver also has set a 30-year high, and precious metals across the board seem to be lifting mining stocks. Right? Wrong. There are a number of miners that gold prices haven't been able to prop up, as you can see by poor earnings and recent stock prices. What's more, many miners that also dig for conventional metals like aluminum and copper have been brutalized by the economic downturn. As manufacturing has slowed to a crawl, demand for these metals has dried up too. Here are seven metal and mining stocks investors should avoid no matter how high gold prices go.