Mexican rocks and minerals collecting after World War II was exciting as millions of collector specimens were mined and sold. During the war, Mexico’s...
By Bob Jones
Gold is a native element that resists forming mineral compounds. Of the several gold compounds, only two are sometimes available to collectors:...
By Steve Voynick
As a precious metal, silver has always taken a backseat to gold in terms of rarity, value, color, density, and workability. Nevertheless,...
By Mark Leatherman
Gold, silver, and platinum. The big three of the precious metals realm. They are rare, beautiful, expensive, and typically smaller-sized specimens are...