30 



. I New Mineralofrical Nomenclature. 



Ccnus. 11. Tellurium. 



Sp. I . T. hexagonum, Tellurium. 



Genus 12. Stibium. 



Sp. I. S. rhombohedrum, Antimony. 



■2. S. rhombicum, Antimonial Silver, 



Genus 13. Arsenium. 



Sp. 1. A. rhombohgdrum, Arsenic. 



ORDER IX. PYRITINEA. 





( J en us 1. 



Argyiutes.* 





H=4— 6.5. G=C— 9.4. 



Color white, or slightly reddish. 



Sp. l 



. A. Argentcus, 



Arsenical Silver. 



2. 



A. eutomus, 



Nickel- Stibine. 



3. 



A. hexagonus, 



Antimonial Nickel. 



4. 



A. cupricolor, 



Gapver-Nickel. 



White Nickel. 



5. 



A. Hoffmanni, 



6. 



A. decrepitans, 



Nickel- Glance. 



7. 



A. acrotomus, 



LcucojH/ritc. 



8. 



A. peritonitis, 



Mispickel. 



9. 



A. octahedrus, 



Smalline. 



10. 



A. hemi-cubicu*, 



Cobultine. 



I.J. 



A. Karsteni, 



Terarscnid of Cobalt. 



12. 



A. cubicus, 



1 'a! ml tic Pyrites. 



13. 



A. Manganicus, 



Arscnid of Manganese. 





Genus 2. 



Pyrites. 





H=3— 6.5. G=4.5- 



-G. 1 . Yellowish — yellow. 



Sp. 1. 



P. hexagonus, 



Magnetic Pyrites. 



2. 



P. rhombicus, 



White Iron-Pyrites. 



3. 



P. cubicus, 



Iron-Pyrites. 



4. 



P. alliaceus, 



Arscnid of Copper. 



5. 



P. erubescens,t 



Variegated Pyrites. 



6. 



P. pyraniidalis, 



Cojipcr-Pyriles. 



7. 



P. capillaris, 



Capillary Pyrites. 



* Apy»(»><, silver ; refers to the color. 



t Blushing ; alludes to tho reddish tarnish the mineral speedily assumes on 

 oxposure 



