136 
THE GEOLOGIST. 
stances with each other. The spech^c gravities may be judged 
of from the following comparative table : 
Axotomous Iron ore, of Moh's. 
From Gastein, Saltzbm-g . . G - 4-661 Moh's 4723 
Breithaupt 4730 
From Schwartzenberg, Saxony. . 4*178 Breithaupt. 
From Arendahl_, Norway ■ . . . 4721 „ 
Erom Fredericksvairn^ Noi-way . 4735 „ 
Ihnenite. 
Fromllmen G = 4766 4-808 G. Rose. 
Ditto 4-805 Breithaupt. 
Washingtonite. 
From Westerley G = 4*963 Shepard. 
From Litchfield^ Conn. . . . 5*016 Shepard. 
Concerning the comparative hardness of these minerals^ I can 
only state at present that the Washingtonite is harder than the 
Axotomous iron ore. The beautiful crystals from Amitz and 
Monroe, Orange County, N.Y. belong to the species Axotomus 
iron ore. The Washingtonite is also found at Goshen, Mass. 
along with Spodumene, in thin folise. — American Journal of 
Science. 
