TABLE I. FOK DETERMINATION J>F MINERALS. £27 



Nickel glance, 



Cobaltine, 



Smaltine, 



Hardness. 

 263. 50—5-5 I 



/lute ir'n pyrites, 233 



isplckel, 



Iron pyrites, 



mas ; G 6 — 6 2 ; silver w steel-gy ; St gyh-bk 

 Bl, fus ! decrep ; sulph and arsen fumes in glass 

 tube. 

 I ; mns ; G 62 — 64 ; silver-w, rdh ; St gyh-bk ; 

 brittle : Bl, fus ; on char, arsen fumes, bb, glob, 

 mag ; bor blue. Prim. 

 I ; mas ; G 64 — 7-2 ; tin-w, steel-gy ; St gyh-bk ; 

 brittle : Bl, fus ! arsen odor, gyh bk mag pearl ; 

 bor blue. Prim. 

 Ill ; mas ; crests ; G 4*6 — 4*9 ; pale bronze yw ; 

 St gyh, bnh-bk ; brittle : Bl, fus ; on char, sulph 

 fumes. 

 234. 5-5— 60 III ; mas ; G 61 ; silver-w ; St dark gyh-bk ; brit- 

 tle : Bl, on char, arsen fumes, and leaves a mag- 

 netic globule. 

 231. 6-0—6.5 I ; mas ; G 4-8—5-1 ; light bronze-yw ; St bnh-bk : 

 Bl, fus ; on char, sulph odor. Prim, strat, vole, 

 etc 



Native mercury, 

 Native lead, 



Native copper, 

 Native silver, 

 Native gold, 



Native platinum, 



Native iron, 

 Native palladium, 



Graphite, 



flraenite, 



Molybdenite, 



B. Stbeak Metallic. 

 * Malleable. 

 287. fluid G 13—14 ; tin-w : Bl, volatilizes. Strat, prim. 

 277. 1-0—1-5 I ; in membranes and glob ; G 11—12 ; lead gray ; 



soils : Bl, fus I ! volatilizes and colors charcoal 



yellow. 

 290. 2-5—30 I ; mas, in strings ; G 8-5—8-6 ; a ipper-r ; nit sol ! 



r fumes ; Bl, fus, colors flame green. 

 323. " I ; mas, enpil ; G 10—11 ; silver-w ; nit sol : Bl, 



fus. 

 312. u I ; mas, capil ; G 12—20, pale to deep y w, accord- 

 ing to the proportion of silver present ; nit not 



sol : Bl, fus. 

 308. 4*0 — 4-5 In grains and lumps ; Gr 16 — 19 ; pale steel gy ; hot 



nit-mur sol : Bl, infus. 

 230. 4-0—50 I ; mas ; G 7-3—7-8 ; iron-gy, magnetic. 

 311. 50 — 55 In grains, structure rad ; G 10 — 12 ; steel-gy, 



silver-w : Bl, infus. 



t Not malleable : no fumes when heated. 



91. 1-0—2-0 Mas, fol ! gran ; G 2^-21 ; iron-bk, dark steel-gy ; 

 sectile ; soils ; nit, no action : Bl, infus. Prim, 

 strat. 

 241. 50—6-0 VI ; mas; G 4*4 — 4-8 ; dark iron-bk ; slightly mag- 

 netic ; 6trong mur sol : Bl, infus. Prim, vole. 



X Not malleable : fumes when heated, 

 217. 1-0—1-5 VI ; mas, fol I lam flex ; G 4-5—4-8 ; purelead-gy; 

 sectile -, nit, partly sol : Bl, infus^ on char sulph 

 odor. Prim. 



34* 



