Colorado Ore
Hand cobbed gold and silver ore from the historic Central City / Black Hawk mining district. Here's your chance to own a piece of Colorado's history. This gold / silver ore is right off our claim. We hand select the best looking pieces for specimen displays. We do not treat or clean our pieces much at all. They are all 100% natural as we found them. This gold ore is a refractory, sulfide ore. It contains tennantite, gold tellurides, sylvanite, calaverite, aresnic, and lead.)