156 



CHARACTERISTIC. 



Names. 



13. || BORAC1TE. 



Tetrahedral Boracite. M. 

 Borate of Magnesia. 



II. ORDER. 



Names. 



1. FAHLERZ. 



Tetrahedral Copper-Glance, M. 



2. 1| KELVIN. 



Tetrahedral Garnet. M. 



III. ORDER. 



Names. 



~L OXIDE OF ARSENIC. 



Octahedral Arsenic-Jlcid. M. 



2. || SAL AMMONIAC. 



Octahedral Ammoniac- Salt. M. 

 Muriate of Ammonia. 



3. 1T NATIVE GOLD. 



Hexahedral Gold. M. 



4. IT PURPLE COPPER. 



Octahedral Copper-Pyrites. M. 

 Sulphuret of Copper and Iron. 



5. 1T RED OXIDE OF COPPER. 



Octahedral Copper- Ore. M. 



6. IT FLUOR. 



Octahedral Fluor-Haloide. M. 

 Fluale of Lime. 



7. TENNANTITE. 



8. IT 



NATIVE IRON. 



Octahedral Iron. M. 

 9. || PYROCHLOR. 



Octahedral Titanium-Ore. M. 



