116 Scientific Intelligence. 
several salts of this oxyd which are not described. The chlorid 
Co2CleNsHie, when ignited in a current of hydrogen, yields pure 
metallic cobalt ; ignited per se, it yields the protochlorid mixed with a 
understood that Frémy is engaged in a complete investigation of them. — 
W. &. 
—L. and E. Phil. Mag., Oct., 1851. 
IJ. Minerarocy ann Gerotocy, 
hexagonal in crystallization. There can no longer be any doubt of the 
anomalous optical character of the Chester Co. (Pa.) mineral, which | 
have named Clinochlore.t _ ¥ 
Red Sapphire.—l have discovered a new locality of this mineral, # 
the township of Vernon, Sussex Co., N. J., where it occurs in t 
excrescences entire. he color of the finest specimens is ruby 
? * 
red,” others have various shades of purple :—they are translucent, 1? 
in large crystals ; Carbonate of lead, in splendid erystallizations ; Phos 
phate of lead, of a fine green color in good crystals; Chromate of leah 
in small crystals associated with Pyromorphite and cerasite, usu 
implanted upon the dark green pyromorphite, forming beautiful cabinet 
Specimens. 
* Received from Prof. J. D. Dana who hg Esq, of , 
. ae ¥ I] 4; 7 : 
Philadelphi nee See tee panels a Ons, : 
ia. 
¢ This Journ., xii, p- 839, 1851, 
