‘ 240 G. J. Brush on Sussexite. 
Art. XXIII.—Contributions from the Sheffield Laboratory of 
Yale College. No. XVIIL—On Sussewite,* a new borate 
from Mine Hill, Franklin Furnace, Sussex Co., New Jersey; 
by Gzorce J. Brusu. 
for manganese. This interesting disco 
revisit the locality, and I there succeec 
of the new mineral to give the following characters. It re 
found in the franklinite vein at the opening on the north . " 
Mine Hill, associated with franklinite, zincite, willemite, a 
roite, calcite and what appears to be a double carbonate 0 
manganese and magnesia occurring implanted on, or uno 
sition, ink is : 
The pure mineral is whitish with a tinge of yellow * Ph. 
. silky to pearly luster. The structure is fibrous, 
asbestitorm. alth : z n 
much more readily in one direction than ina direction at | ical 
~e 
occurs in seams in calcite, sometimes with the fibers Tai) 
“hig call | 
in color and yields water which reacts neutral t0 ten: with 
but if turmeric paper is moistened with this wate ©" 
* The discovery of this mineral was announced in the July mT 
Journal, p. 140. 
