....... amp;nbsp;	Mine Your Cellphone for Gold and Silver Before Throwing It Away Retired consumer electronics appliances could bring you a fortune, even before recycling, if you decided to mine them for precious metals. The new trend is as scientific as possible, and even got a name: "Urban mining". The idea behind it is the fact that scrap parts hold significant amounts of gold, silver, copper, or precious gems such as iridium. We have previously reported about a man who ended up poisoned