CATALOGUE OF MINERALS. 



No. 



Name. 



System of 

 crystallization. 



2, Compounds of Elements of the Arsenic Group with 

 those of the Hydrogen Group. 



34. Discrasite 



35. Domeykite * 



36. Algodonite * 



37. Whitneyite * 



38. Silver Glance * 



39. Erubescite * 



40. Galena * 



41. Steinmannite 



42. Cuproplumbite ? 



43. Alisonite 



» 



44. Manganblende 



45. Syepoorite 



46. Eisennickelkies 



47. Clausthalite 



48. Naumannite 

 43. Berzelianite 



50. Eucairite 



51. Hessite * 



52. Altaite 



53. Griinauite 



54. Blende* 



55. Copper Glance * 



2 



1. Discrasite Division. 

 Ag^Sb 

 Cu3 As2 

 Cu6 As2 

 Cu^AsZ 



2. Galena Division. 

 Ag S 

 (Fe, €u) S 

 PbS 

 Pb, S, Sb 

 2Pb S + €u S 

 3€u S + Pb S 

 MnS 

 CoS 



aNi + |Fe)S 

 PbSe 

 AgSe 

 €uSe 



(€u, Ag) Se 

 AgTe 

 PbTe 



(Bi, Ni, Co, Fe)2 S» 

 ZnS 

 €uS 



