CATALOGUE OF MINERALS. 



No. 



Formula. 



System of 

 crystallization. 



101. Dufrenoysite 



102. Pyrargyrite 



103. Proustite * 



104. Freieslebenite * 



105. Bournonite 



106. Keiingottite 



107. Boulangerite 



108. Aikinite 

 101). Wolchite 

 ll^. Clayite? 



111. Kobellite? 



112. Meneghinite 



113. Tetrahedrite * 



114. Tennantite * 

 11.^). Geocronite * 



116. Polybasite 



117. Stephanite 

 lis. Enargite* 



119. Xanthocone 



120. Fireblende 



121. ■Wittichite 



PbS+Ms^S3 1 



Ag S + iSb' S3 6 



Ag S 4- A As^ S» 6 



(Ag, Pb)S+|Sb2S3 4 



(f'u,Pb) S4-4Sb2S3 3 



Ag,Pb,S, Sb 4 

 PbS + iSb^S' 



(€u, Pb)S4-ABi^S3 3 



Pb, Cu, As, Sb,S 3 



(€u, Pb) (S, As, Sb) 1 



(Fe, Pb) S+ ?(Sb, Bi)2S3 1? 

 PbS+]SbS^ 

 (€u,Fe,Zn, Ag)S+ ](Sb, As)2S3 1 



(6u, Fe) S+^As^S' 



PbS+i(Sb,As)'S' 



(Ag,f'u) rS-l-i(Sb, As)2S3 



AgS+^Sb'S3 



(eu, Fe, Zn) S + 4 (As, Sb)^ S' ? 



(3AgS+As2S5)+2(3AgS+As'S3) 6 



Ag, S, Sb 4 



€u, Bi, S 3 



C. FLUORIDS, CHLORIDS, BROMIDS, lODIDS. 



I. Calomel Division. 

 122. Calomel Hg'Cl 



