THE NATURAL ARRANGEMENT. xllll 



12. Rhombohedral (S.) Molybdenite. 



13. A xo to in o u s (S.) Pelybasite. 9 * 



Gen. III. ANTIMONY-GLANCE. (M.) H. 1 5 . . . 2-5. 



G. 4-2... 5 8. 

 Sp. 1. Prismatic (M.) Graphic Gold. 



2. Prism atoidal (M.) Grey Antimony. 



3. Axotomous (M.) Jamesorite. 



4. P e r i t o m o u s (P. ) Zinkenite. G 3 



BLENDE. 



Gen. I. SCLERONE-BLENDE. (S.) H. 3-5 ... 4'0. 



G. 3-9 ... 4-2. 



Sp. 1. Hex abe d ra 1 (S.) Manganblende. 



2. Dodecahedral (S.) Blende. 



Gen. II. MALACONE-BLENDE. (S.) 4 H. 1-0.. .2-5. 



G. 4-5... 8-2. 

 Sp. 1 . P r i am a t ic (S.) Red Antimony. 



2. Rhombohedral (S.) Red Silver. 



3. Aphotistic 64 (S.) Proustite. (BEU.) 



4. H e m i-p r i s m a t i c (S.) Myargyrite. 



5. Peritomous (S.) Cinnabar. 



6. S ele n i ou s (S.) Rionite. 65 (S.) 



7. Yellow(S.) Orpiment. 



8. Red (S.) Realgar. 



62 IIoXOs, many, and Batf^, Sa^e, having many bases in its 

 composition. 



63 Named from ZINKEN, its discoverer. 



s 4 A and <pw, rozW o/ Zzg-Af, from its dark color. 

 65 Named from DEL Rio. 



