58 Sapphires, green, six cut stones, i2fg- carats. 



Helena, Montana. 



59 Chrysoberyl, small crystals in matrix. Stow, Maine. 



60 Chrysoberyl, polished section of a large crystal. 



Stow, Maine. 



61 Chrysoberyl, crystal in matrix. Haddam, Connecti- 



cut. 



62 Chrysoberyl, crystal in matrix. Greenfield, Saratoga 



County, New York. 



6} Spinel, black, group of octahedral crystals. Orange 

 County, New York. 



64 Spinel (var. Gahnite), green. Delaware County, 



Pennsylvania. 



65 Topaz, transparent, sherry-colored crystal, 3 ozs. 



i2dwts., if x if inches. Cheyenne Mount- 

 ain, Colorado. 



66 Topazes, light sherry-colored, brilliant, cut, 193H 



carats. Cheyenne Mountain, Colorado. 



67 Topazes, dark sherry-colored, brilliant, cut, ii6| 



carats. Cheyenne Mountain, Colorado. 



68 Topaz, light sherry-colored, cut, 20 carats. Chey- 



enne Mountain, Colorado. 



69 Topaz crystal, transparent, colorless. Crystal Peak, 



Colorado. 



70 Topaz, two crystals, white. Stoneham, Maine. 



7 1 Topaz crystal. Bald-Face Mountain, North Chatham, 



New Hampshire. 



72 Topaz crystals, six. Bald-Face Mountain, North 



Chatham, New Hampshire. 



73 Phenacite, white type-crystal, i 5 L xf inches. Chey- 



enne Mountain, Colorado. 

 10 



