36 



30. Calcite. Suite of specimens from Joplin, Missouri. 



a. Group of large golden crystals, 20x12x12 inches. 



b. Group of golden crystals. 



c. Suite of fine crystals. 



d. Associated with galena, chalcopyrite and sphalerite, 

 group 20x18x8 inches. 



31. Calamine PsEUDOMORPHS after calcite, colored by green- 



ockite. 



32. Vanadinite and Descloizite. — Suite of specimens from 



Mammoth, Arizona. 



33. Orpiment, ciystallized, Mercur, Utah. 



34. Hematite on Lava ; also loose ciystals, near Santa Fe, 



New Mexico. 



35. Tourmaline, near Haddam, Connecticut ; suite of multi- 



colored crystals. 



Nos. 30 to 35 are exhibited by George L. English. 



36. Sphalerite (Blende), Chalcopyrite and Dolomite, on 



fossiliferous limestone. Joplin, Mo. 



37. Calcite. Golden crystal. Joplin, Mo. 



38. Calcite. Yellow crystal ; doubly terminated. Joplin, Mo. 



39. Chalcopyrite. French Creek, Pa. 



40. Ptilolite. Berufiord, Iceland. 



41. Heulandite. Berufiord, Iceland. 



Nos. 36 to 4-1 are exhibited by Win. G. Rothe. 



42. Quartz. Four twin crystals, Narushima, Hizen, Japan, 



belonging to the collection of W. D. Schoonmaker. 



43. Olivine Crystals. Meillarguis, Auvergne, France. 



44. Ekdemite on Wulfenite. Mammoth Mine, Pinal County, 



Arizona. 



45. Limonite. Pseudomorph after Siderite, Catawba County, 



N. C. 



46. Arsenic. Native (crystallized) . Akadani, Echizen, Japan 



Nos. 42 to 46 are exhibited by Roy Hopping. 



