198 



CHARACTERISTIC. 



CLASS f. 



Names. 



9. IT GREEN LEAD-ORE. 



Brachytypous Lead-Baryte. Partsch, 

 Phosphate of Lead. 



10. IT MAGNETIC IRON-PYRITES. 



Dodecahedral Iron-Pyrites. M. 



11. IT APATITE. 



Rhombohedral Fluor-Haloide. M. 

 Phosphate of Lime. 



13. 



14. 



A. 



NEPHILINE. 



Rhombohedral Feld-Spar. M. 



Sommite. Pseudo-Nephiline. Fleu- 



reau de Bcllevue. 

 ? CAVOLINITE. 

 ?DAVYNE. 

 IOL1TE. 



Prismatic Quartz. M. 



Peliom. Werner. Cordierite. Hauy 

 Dichroite. Cordier. Steinheilite 

 Pansner. 



BERYL. 



Rhombohedral Emerald. M. 



Emerald. 



Hardness. 



3-5...4-0.? 

 3-5.. .4-5. 



5-0. 

 6-0. 



APPENDIX. 



CAPILLARY PYRITES. 



Sulphuret of Nickel. 



(Talc, App. A. Ord. XIV. 



Plumbago, App.B. Ord. XIV. 



Hydrate of Magnesia, App. C. Ord. XIV.) 



7-0.. .7-5. 

 7-5. ..8-0. 



