C 146 ] 



dark purple colour^ by galls, and other vegetable 

 aftringents. 



a. Native Iron ; various, irregular, malleable j 

 of an iron . grey colour ; found at Kamfdorf, in 

 Siberia; and South America, 



, b. Grey Iron Ore, Magnetic Iron Stone, Emery j 

 minings copper red colour, a little attracted by 

 the magnet ; cryftallized in oclohedrons, and in 

 cubes ; lamellated, foliated, granular, and various; 

 contains iron united to a fmall proportion of oxy- 

 gen- 



c. Hematite ; of a blood red, or fteel grey co- 

 lour ; found folid, reniform, fibrous, fcaly and 

 various ; found at Schneeberg, Sec. ; contains iron 

 with carbonic acid and argill. Kirivan. 



d. Argillaceous Iron Ore, Bafaltic Iron Orej 

 reniform, globular, lenticular, granulated, various ; 

 found at Bohnerz in Germany ; contains iron 

 united to oxygen, carbonic acid and argill* and 

 often phofphate of iron. 



e. Spathose Iron Ore ; of a greeniih grey cream 

 colour, or chocolate brown ; cryftallized in rhombs, 

 and in double, three, and fix-fided pyramids, fo- 

 liated ; found near Freiberg, Kamfdorf, &c. in 

 Germany. Anal. Iron 38. Lime 38. Carbo- 

 nic acid and manganefe 24. Bergman* 



f. Sulphate 



