TABLE I. FOR DETERMINATION OF MINERALS. 425 



Tin ore, 



Red antimony, 

 Cobalt-bloom, 



Orpiment, 226. 



Copper mica, 301. 20 



Sulphur, 

 Red silver, 



Cinnabar, 



Atacamite. 



Hardness. 

 214. 60— 70 II ; mas, fib ; G 6 5— 7-1 ; bn, bk, yw, r; St paler; ad ; 

 strp, op : Bl, on char, with soda, tin glob. Prim. 



b. Fumes before the blowpipe. 



224. 10— 1-5 IV; capiltufta and div; G 4-4— 4-6; cherry-r; St 

 bnh-r ; ad, met ; strl ; nit w coating : Bl, fus ! ! 

 or char, volat. Prim. 



267. 1-5— 2-0 IV; fol ! fib, stel, earthy; 29— 3; crimson and 

 peach-blossom r, gyh, gnh ; St paler ; dry pow 

 • der lavender b ; lam flex : Bl, fus 1 on char allia- 

 ceous, bar fine blue glob. Prim, cobalt ores. 



226. " m ; fol ! lam flex ; mas ; G 3-4—3-5 ; lemon yw; 

 St paler ; p'ly, res ; strp, strl ; sectile : Bl, sul- 

 phur and arsenical fumes. {Realgar, p. 305, dif- 

 fers in its red color and orange streak.) 

 VI ; fol I mas ; G 2*55 ; emerald gn, grass gn ; St 

 paler ; p'ly, vit ; trp, trl ; sectile : Bl, alliaceou? 

 fumes, rdh-bn scoria. 

 98. 1-5—2-5 III ; mas ; G 2-07 ; yw ; rdh, gnh ; res ; trp, strl, 

 burns, b flame. 



327. 2-0—2-5 VI ; mas ; G 5-4—5-9, light r, to bk ; St r ; ad, met ; 

 strp, op : Bl, fus 1 ! sulph and arsen fumes ; silver 

 ores. 



287. " VI ; cleav ; mas ; G 8—8*1 ; bright r, bnh-r, bn ; st 

 r, bnh ; ad, sub-met ; strp, op ; nit, sol, r fumes : 

 Bl, wholly vol. Strat. prim. 



302. 2-5 — 3-0 III ; cleav ; mas ; G 4-4 — 4-5 ; bright gn, olive-gn ; 

 St gnh; ad, vit; strl: Bl, faa I muriatic fumes; 

 copper.reaction ; copper ores. 



II. LUSTER METALLIC. 



A. Streak tjnmetallic. 

 * No fumes before the blowpipe on charcoal. 



Wad, 260. 1-0 Mas, often earthy ; G 3-7 ; bn, bh ; soils ; submeti 



Bl, manganese reaction. 

 Earthy cobalt, 267. " Mas, earthy, bot ; G 2-2—2-3 ; bh-bk, bnh-bk ; St bb 



bk ; sectile : Bl, arsen fumes ; bor blue glass. 

 Pyrolusite, 259. 20— 2-5 HI ; col, rad; mas; G4-8— 5; iron-bk, St bk; 



mur, odor of chlorine : Bl, infus ; bor amethyst; 



glob. 

 ■^Cinnabar, 287. " VI ; cleav ; mas : G 8 — 8*1 ; r, bnh-r, gyh, dark bn ; 



St r ; strp, op ; nit sol, r fumes : Bl, volatile. 



Strat, prim. 

 Blende, 269. 3-5 — 4 I ; dodec cl ! mas ; G 4 — 4-1 ; bn, bk ; St yw, bnh 



op ; submet, bright : Bl, fus. Prim, strat, etc. 

 Manganite, 261. 4-0—4-5 III ; mas ; G 4-3 — 4-4 ; dark steel-gy, iron-bk ; SI 



rdh-bn, bkh : Bl, infus ; bor, amethystine glob. 



