78 NEW YORK STATE MUSEUM 



Exchange 



Healey, Alfred E., Ironwood, Mich. 



Mohawkite, Mohawk mine, Mich 3 



Copper, Mass mine, Mass, Mich -• ■ . 2 



Copper, C & H mine, Mich. 2 



Copper, Quincy mine, Mich 2 



Copper, Osceola mine, Mich , .- 2 



Epidote, copper and calcite, Mass mine, Mass, Mich 2 



Epidote and quartz, Mass mine, Mass, Mich 2 



Stilbite and copper, Mass mine, Mass, Mich 



Stilbite, epidote and copper, Mass mine, Mass, Mich 



Aragonite, Ironwood, Mich 



Aragonite and quartz, Ironwood, Mich 



Hematite, Aurora mine, Mich 



Hematite, Ishpeming, Mich 



Limonite (stalactite), Ashland mine, Mich. . . . ■. 



Limonite and psilomelane, Mass mine, Mich 



Limonite and psilomelane, Ottawa mine, Wis 



Gothite on hematite, Ishpeming, Mich 



Psilomelane, Newport mine, Mich 



Manganite, Ironwood, Mich 



Pyrolusite, Hurley mine, Wis 



Xanthosiderite, Ironwood, Mich 



Pyrite and calcite, Bessemer, Mich 



Datolite (polished), Delaware mine, Mich 



Quartz, Quincy mine, Mich 



Quartz, Ironwood, Mich 



Peck, H. S., Menands 



Melanterite, Frostburg, Md 



Chalcocite vein in serpentine chimney near New Brunswick;' N. J 



United States National Museum 



Creedite (new species), Wagon Wheel Gap, Col 



Gearksutite, Wagon Wheel Gap, Col 



Quisqueite, Minasragra, Peru 



Patronite, Minasragra, Peru 



Patronite and quisqueite, Minasragra, Peru 



Hewettite, Minasragra, Peru 



Pascoite on decomposed ore, Minasragra, Peru 



Native mercury, Terlingua, Texas 



Calomel, Terlingua, Texas 



Kleinite, Terlingua, Texas 



MonLoydite, Terlingua, Texas. 



Turquois (cut), New Mexico 



Turquois in matrix, New Mexico 



Vial turquois (cut), Persia 



Cahn, Lazard, Colorado Springs, Col. 



Metahewettite, near Thompson's, Grand co., Utah 1 



