130 



Hopewell Mound Group 



in the mounds, without attempting to either work it or melt it into lead. 

 Chipped Stone; Objects of Quartz, Crystal, and Obsidian. — 

 Numbers of small unworked quartz crystals, which were practically- 

 perfect, were found in the altars, but the objects made of this material 



Fig. 23. 

 Meteoric Iron Adze Blades in Antler Handles from Altar 1. 



Fig. 24. 

 Cones of Quartz Crystal. 



seem to have suffered more from the heat of the altar fires than those 

 of any other class. Nearly a bushel of fragments were obtained, but it 

 is impossible to restore most of the objects. There were large numbers 

 of very fine knives and spear-heads, some of which were 9-1 1 cm in 



