CATALOGUE OF MINERALS. 



4. Skutterudite Division. 



84. Skutterndite Co As 3 1 



II. DOUBLE BINARY COMPOUNDS. 



1. The Persulphuret a Sulphuret of an Element of the 

 Hydrogen Group, as of Iron, Cobalt, or Nickel. 



85. Linmeite* CoS-f Co 2 S 3 1 



86. Cuban CuS + Fe 2 S 3 1 



87. Chalcopyrite * uS + Fe 2 S 3 2 



88. Barnhardite * 2u S -f Fe 2 S 3 2 



89. Tin Pyrites u S (Sn 2 S 3 , Fe 2 S 3 ) 2? 



90. Sternbergite AgS-f 2Fe 2 S 3 ? 3 



2. The Persulphuret a Sulphuret of Elements of the 

 Arsenic Group. 



91. Wolfsbergite uS+Sb 2 S 3 3 



92. Tannenite uS + Bi ? S 3 3? 



93. Berthierite FeS+Sb 2 S 3 



94. Zinkenite PbS+Sb 2 S 3 3 



95. Miargyrite AgS-f Sb 2 S 3 4 



96. Plagionite PbS+|Sb 2 S 3 4 



97. Jamesonite PbS+iSb S 3 3 



98. Heteromorphite PbS + ^Sb 2 S 3 



99. Brongniar dite (Pb, Ag) S + Sb 2 S 3 1 

 100. Chiviatite (u,Pb) S + ^ 



