| rival the best. For silver, the mines of Saxony, Germany, and the Keweenaw Peninsula in Michigan should...in the Harz Mountains, and Freiburg, in Saxony, Germany. Guanajuato, Mexico, and Colquechaca, Bolivia,... Argentite from Germany; millerite from New York; tetrahedrite from England, Germany, and Mexico; pyrite...Elba; pyrrhotite from Mexico; arsenopyrite from Germany and Mexico; chalcocite from England and Connecticut;...collectors. A small supply of small crystals from Germany and an old-time supply of excellent crystals up |
