260 A. Schrauf and EB. 8S. Dana—Thermo-electrical 
Tetradymite Bi,(TeS), 
Wehrlite Bi,(TeS), 
2. Nickel compounds. 
Millerite NiS 
Gersdorffite i (AsS), 
Ullmannite Ni (Sb,AsS), 
Niccolite i, As, 
Rammelsbergite NiAs, 
rit (N iBiFeCu)S 
Pyrite (containing Ni) FeS,+-4¢Ni 
3. Cobalt ees. 
Linnzite 
Smaltite (COREN) As 
Cobaltite Co(SAs), 
Glaucodot (CoFe) (SAs), 
Alloclasite 
Skutterudite 
“ 
4, Lead compounds. 
Galenite PbS 
“ 
6c 
+ Hunga 
[wi-] 
+ Georgia, England. 
gary. 
= 
— Schladming 
Karinthia. 
Pribram. 
Hesse. 
— Siegen. 
— Dramen, Norway. 
[Co — 
— Miisen. 
= Saxony, Hesse. 
— Sweden 
S 
— Hakinebs. 
Coas (SAs,), — Orawitza. 
+ § 
kutterud, Kongsberg. 
odum, Tunabe erg. 
[Pb —] 
— Usual varieties, 
+ Monte Poni. 
— Harz. 
— Harz. 
Harz. 
+-— Variable, mixture? 
[Cu 0] 
Sweden. 
— Variable, mixture, Harz. 
Fe +] 
Piedmont, Devonshire, 
Clausthalite PbSe 
Naumannite ( bAg)Se 
Lehrbachite (PbHg)Se 
rgite uPh)Se 
5. Silver and Gold compound. La Au ae 
Sylvanite (Ag,Au)Te, 
6. Copper compounds, 
Chalcopyrite Cu,Fe,S 
Bornite sFe,S. 
Tetrahedrite Cu,Sb,8, 
Chalcocite u,S 
Berzelianite ove 
Zorgite (PbCu)Se 
7. Iron compounds, 
Marcasite FeS, 
Pyrite “ 
“ “cc 
ates ee Ni Ms ge ot4¢Ni 
eae: Pero 
urin 
— Most localities. 
— Drammen, Norway. 
+ Sweden. 
razil 
onroe. 
— Andreasberg, Schlad- 
mi 
iss” Reiohenstein. 
