1.4 A Neic Mineral officii I Nomenclature. 



O 



Ordo 8. Metalline*, (f/,?raXXov, metal ; includes the native 

 metals.) 



H = — 5. G = 5.7 — 20. Lustre and Streak metallic. 

 Color white or reddish. 



Ordo 9. Ptritinea, (*u£mtj£, pyrites ; includes the light-colored 

 metallic sulphurets, arsenids and sclenids.) 



II = 3—0.5. G = 4.0—9.4. Lustre metallic. Color 

 white — yellow — reddish. 



Ordo 10. Galinea, (ysXsiv, to shine ; includes the dark-colored 

 metallic sulphurets, arsenids, &c.) 



11 = 1—4. G=4.2— S.5. Lustre metallic. Color dark. 



Ordo 11. Adet.inea, ("achjXos, iinmanifesl '; includes the non- 

 metallic sulphurets, whose metallic nature is dis- 

 guised by the mineralizing ingredient.) 



11 = 1—4. G=3.3.— 5.9. Streak colored. 



Ordo 12. Theuiiea, (deiov, sulphur.) 



H = 1.5 — 2.5. G=2 — 2.1. Streak yellowish-white. 

 Combustible. 



Classis III. HYrOGiEA. 



Ordo 1. PlTTINEA, (ifirra, pilch.) 

 Easily fusible. 



Ordo 2. A.NTHRACINEA, (avOfag, coal.) 

 Infusible. 



