the gem he found is a giant ruby red square about the size of a football. “The Denver Museum was on site with us that day, making a documentary about mineral mining in Colorado. We did the blast ...
According to History Colorado, the mines brought droves of people looking for gold, silver and other gems in the 1800s. While the mines brought an economic change to Colorado, it also came with an ...
London-listed Gem Resources, formerly URA Holdings, has reported that Phase 1 of the restart at the Gravelotte emerald mine, in Limpopo, South Africa, has been under way for about six months. During ...