E. W. Root on Enargite from California. 201 
love a smith’s shop, and anything relating to smithery. My father 
was a smith, 
From Interlachen he went to the Falls of the Giessbach, on 
the pleasant Lake of Brientz. And here we have him watch. 
ing the shoot of the cataract down its series of precipices. It 
is shattered into foam at the base of each, and tossed by its 
own recoil as water-dust through the air. The sun is at his 
back, shining on the drifting spray, and he thus describes and 
muses on what he sees : 
was in some places too strong to stand against e sun shone 
brightly, and the rainbows seen from various point: ere very 
beautiful. One at the bottom of a fine but furious fall was very 
“ 
hope and giving hope. And the very drops, which in the whirl 
» Wind of their fury seemed as if they would carry all away, were 
made to revive it, and give it greater beauty.” 
Arr, XVIL—On Enargite from the Morning Star Mine, Cal- 
Yornia Epwarp W. Root, Assistant in the Laboratory 
ia; by 
of the School of Mines, Columbia College, New York. 
Dy November last I examined a copper ore from the Morning 
Star Mine, Mogul District, Alpine Co., California, which proved 
to be Enargite. This mineral occurs in a massive state, and 
also crystallized in small rhombic prisms, whose planes are much 
Striated, ese crystals are of a grayish black color, possess a 
nr brilliant metallic luster and are about a millimeter in length. 
Po massive mineral possesses a somewhat coppery color upon 
t 
mish. It ig quite brittle. Streak black. Hardness about 4 
Sp. grav. 4:34. B 
Teadily to a globule, giving off arsenical and sulphurous fumes 
= forming a coating of antimonous acid. With fluxes it gives 
. ‘soluble in hydrochloric acid. Soluble in nitric acid wi 
