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The 10 biggest silver mines in the world. Mexico, the world's biggest silver producing country, and Poland host three each of the world's 10 biggest silver mines. Bolivia, Turkey, Peru and Australia host the remaining four. Mining-technology.com profiles the 10 biggest silver mines in the world, based on contained silver reserves.
It forms in veins, which later then turn into a clump of turquoise. Turquoise deposits are found in Arizona, Colorado, New Mexico, California, Nevada, Virginia, and Utah. The turquoise mineral is considered one of the highest value minerals in the world by most collectors.American turquoise is valued by its matrix pattern, color, hardness, and by origin.acts About Turquoise. Turquoise is a blue to gray-green mineral consisting of copper aluminum phosphate. The mineral is a hyrous phosphate of aluminum, which includes a small percent of copper. The copper is what gives the mineral its blue coloring.