144 ANALYSIS OF 



to 2. 194 grammes of protoxide, of copper on 5 

 grammes, or 43. 88 per 100. 



E. A portion of the liquor (D.) was found to con- 

 tain neither lime nor magnesia, therefore, neither of 

 these substances existed in the ore. 



The constituents of this mineral, are 





Per 100 parts. 





A. 



Water, 



06 98 



B 



Argile, 



03. 80 



C. 



Deutoxide of Iron, 



42 16 



D. 



Protoxide of Copper, 



43 88 



96 82 

 100 00 



003 18 Loss. 



3. Of a Green Phosphate of Lime {Aspara- 

 gus Stone.) 



This mineral was found in London-grove town- 

 ship, Chester county, Pennsylvania. Externally it 

 is incrusted with an opaque yellowish white matter ; 

 when broken, it is of a beautiful asparagus green 

 colour ; in the state of powder it is white. Lustre 

 vitreous. Transparent. Chrystalized in six sided 

 prisms ; the specimens handed to me, presented no 

 well denned terminations. Longitudinal fracture 

 uneven ; the transverse fracture, lammellar. Scratch- 

 es glass. It does not phosphorize by heat. Speci- 

 fic gravity 3. 20/. Infusible before the blowpipe. 



