Minerals.net Competitors

Part of the U.S. Department of the Interior, the USGS began in 1879 to study the nation’s lands and resources. Today, we monitor, analyze, and predict Earth’s changing systems. Our science provides clear, reliable data that protects lives and property, supports energy and mineral decisions, strengthens water infrastructure, and promotes economic growth.

Our mission with Earth's Treasury is to provide custom fine jewelry and colored gemstones to the public, ethically sourced as close to the mines as possible. We provide a transparent chain of custody from mine to market, and control the entire process of cutting, providing superior precision-cut gemstones with award-winning gem designs. Our primary focus is Montana Sapphires and we are the largest retailer of these rare gems. In addition we provide a full suite of custom jewelry design and manufacturing capabilities using recycled metals and conflict-free diamonds.

Gem Rock Auctions is a family run, industry leading website to buy gemstones online including finished loose gemstones, rough gemstones and mineral specimens. It is an international marketplace with 180 verified gemstone dealers who have sold over 350,000 stones to the public at wholesale prices.