760 



REPORT OF NATIONAL MUSEUM, 1897. 



Tennautitc. 



Saiidbci'gite. 



Fredricite. 



Rioiiite. 

 Tetrahedrite. 



Freibergite. 



Scliwatzite. 



Malinowskite. 



Polytelite. 



.lordanite. 

 Meneffhinite. 



Geocronite. 

 Stepbanite. 



Kilbrickenite. 

 Beegerite. 



Richmoudite. 



droup IG. 

 CugAs.S,. 



Cu8Sb,S7. 

 Group 17. 



Isometric; tetrabedral. 



Isometric; tetrabedral. 



Pearcite. 

 Polybasite. 



Polyargyrite. 



Enargite. 



Clarite. 



Luzonlte. 

 Famatinite. 

 Epibonlangerite. 



Epigenite. 



Stannite. 

 Frankeite. 

 Plumbostaiinite. 

 Kylindrite. 



Canfieldite. 

 Argyrodite. 



Group 20. 



(Ag,Cu)9A8Si^ Monoclinic. 



(Ag,Cn)„SbSr,. Monoclinic. 



Group 21. 



Ag.M.Sb^Sir,. Isometric. 



R. SULPHARSENATF.S AND SULPHANTIM( )NATES. 



Group 1. 



Cll:5SbS4. 



PbsSbjSg. 

 Group 2. 



FciiCngAs.^Si 



Ortborbombif 



Ortborhombic. 

 Ortboihoniliic ( ?). 



Ortborbombic. 



C. SULPHSTANNATKS AND STLPHGERMANATES. 



Group 1. 



FeCUiSnS,. 



PbsSbiSn.S,,. 



Pb,(Fe,Zn):SbjSn..S,i. 



Pb<iSb,Su,iS2.. 



Group 2. 



Ag8(Sn,Ge)So. 

 AgaOeS,;. 



Isometric. 



(?) 

 (?) 

 (?) 



Isometric. 

 Isometric. 



