TABLE I. FOR DETERMINATION OF MINERALS. 



423 



b. Colored or odorous fumes before the blowpipe on charcoal. 

 Hardness. 

 Horn silver, 327. 1*0— 1-5 I ; mas, like wax ; G 5-5—5-6 ; gy, bh, gnh ; trl, strl i 



sectile ; fus. in candle, yielding odorous fumea 



Silver ores. 

 Mimetene, 284. 2-7 — 3-5 VI; mas; G64 — (5-5 ; pale yw, bnh, bnh-r; strp, 



trl ; hot nit sol : Bl. fus ! ! on char alliaceous 



fumes. — Lead ores. 

 Scorodite, 249. 3*5 — 4-0 HI ; mas ; G 31— 3'3 ; leek-gn, gnh w, bh, bnh ; ad, 



vit ; strp, strl : Bl fus ! alliaceous fumes. 

 Blende, 269. •* I ; dodec cleav ! mas ; G 4 — 4*1 ; resin-y w, rdh, 



wh ; trp, strl ; nit sol, emitting sulph hydrogen 



Bl. on char at a high heat fumes of zinc. 

 Bismuth blende, 221. 3-5—4-5 I; mas, col; G 5-9— 6-1; bn, gyh, ywh; res, ad 



Bl, fus, w fumes. Prim. 

 Bmithsonite, 272. 5*0 VI ; mas, ren, bot ; G 4-2 — 4-5 ; gyh-w, gnh, bnh 



vit, p'ly ; 6trp, trl ; nit efferv : Bl, infus ; on chm 



w fumes. Usually with lead ore. 



Minium, 280. 



Vivianite 248. 



Uranite, 228. 



Cup. anglesite, 281. 



Chromate of lead, 284. 



Green malachite, 298. 



Red copper ore, 296. 



Pyromorphite, 283. 



Aaurite [300. 



B. Streak colored. 



a. No fumes before the blowpipe. 



* Fusible. 



soft Mas, pulv; G 4-6; bright. red: Bl, fus; an char 



glob lead. Lead ores. 

 1-5— 2-0 IV; fol! lam. flex; mas ; G 2-6— 2-7 ; bkh-gn 



dark b ; St, bh-w, b ; nit or sul sol : Bl, fus ! 



decrep, dark bn scoria, magnetic. 

 2-0—2-5 II ; fol ! mas ; G 3—36 ; bright gn, yw ; St, paler; 



p'ly, ad ; trp, strp ; nit soi, no efferv : Bl, fus, 



bk glob. Prim. 

 2-5— 30 IV ; cleav! G 5-3—5-5; fine azure blue; St, paler; 



ad, vit ; trl, strl : Bl, reaction of copper and 



lead. Lead ores. 

 2-5—3 IV; mas, col; G 6; bright r; St orange ; ad; trl; 



sectile ; nit sol, no efferv : Bl, blackens, decrep, 



shining slag. Lead ores. 

 3-5 — 40 IV; mam, bot, crust; G 4 — 4-1; gn ; St, paler, 



vit, silky, earthy ; trl, op ; nit sol, efferv : Bl, fus I 



bk : bor gn. Copper ores. 

 u I ; mas, fib ; G 5-9 — 6 ; deep red ; St, bnh-r ; ad 



submet ; strp, strl ; nit sol, efferv : Bl fus I on 



char metallic copper. Copper ores. 

 u VI ; mas ; G 6-8 — 7-1 ; gn, bn, gy ; St yw ; res ; 



strp, strl ; hot nit sol, no efferv : Bl fus ! Lead 



ores. 

 u IV; mas, earthy; G 3-5 — 3-9 azure b, dark b; 



St paler; vit, ad; trp, strl; nit efferv: Bl, fus! 



copper reaction. Copper ores. 



34 



