14 A Nciv Mincrahgical Nomenclature. 



Ordo S. Metai.linea, ((/.stgcXXov, metal ; includes the native 

 metals.) 

 H=0— 5. G = 5.7— 20. Lustre and Streak metallic. 

 Color white or reddish. 



Ordo 9. Pyritinea, (iru^ir^c, pyrites ; includes the light-colored 

 metallic sulphurets, arsenids and selenids.) 

 H=3— C.5. G=4.6— 9.4. Lustre metallic. Color 

 white — yellow — reddish. 



Ordo 10. Galinea, (ysX$iv, to shine; includes the dark-colored 

 metallic sulphurets, arsenids, &c.) 

 H=l— 4. G=4.2— 8.5. Lustre metallic. Color dark. 



Ordo 11. Adeline a, ("<x<Sr)Xoj, mimanifest ; includes the non- 

 metallic sulphurets, whose metallic nature is dis- 

 guised by tho mineralizing ingredient.) 

 H = l— 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. IIYPOGiEA. 



Ordo 1. Pittinea, (tfi<pra, pitch.) 

 Easily fusible. 



Ordo 2. Anthracinea, (avdjng, coal.) 

 Infusible. 



