254 



PROCEEDINGS OF THE CANADIAN INSTITUTE. 



1. Associated with the blende the darker vai'ieties along vein wall. 



2. In cubes and grains disseminated through portions of quartz. 



3. Associated with the argentite but yielding no silver, so I am in- 

 formed by the present as^ayer Mr. Brent, at the Badger Mine. 



NoTR. — Crystallized in cubes, cubo-octohedrons, the latter frequently 

 predominating — also octahedrons. 



