Chemistry and Physics. 3 113 
@ hollow mass of phosphuret of tungsten, lined upon the inside 
with the most brilliant crystals. These crystals have a dark steel color, 
with a remarkably brilliant metallic lustre ; they are six-sided prisms, 
form see 3 
dilute acid they evolve hydrogen, and in a solution of a salt of copper 
they become covered with metallic copper. The poop ha | 
i * ed t ree 
a odor and may be distilled without change, though at a very 
< ‘emperature ; Mallet found its constitution expresssed by the for- 
“ CsHsTeCl. Treated with oxyd of silver, the cblorid of the 
h 
“Hs Teo remains in soluti ay be obtained by evaporation, as 
alkal a highly crystalline mass. The new oxyd in solution has an 
— ton; heated in a tube, it is decomposed with separation of 
tiene, "Y: @ white precipitate; with chlorid of ammonium, a salt is ob- 
the f having the formula CaHsTe CI+2NHsCl, and erystallizing in 
—s Chemie und Phar 
6. ' Ixxix, . is 
is On white Precipitate.—Wacnzr has found that white precipitate 
tana, acted upon by amyl-mercaptan, the products of the action 
tion ig Phid of mercury and chlorid of am ; the 
Su, Presented by the equation NHaHg2Cl-+-CioH 
' -*® Seeres, Vol. XIII, No. 37—Jan., 1852. 
