424 TABLE I. FOR DETERMINATION OP MINERALS. 



Pyrochlore, 



Triplite, 



Monazite, 



Chondrodite, 



Allanite, 



208 



Hardness. 

 , 50 I 



octahed cryst; G 4-2 — 4*3; rdh-bn, yw, ywh, 

 St paler ; res, vit ; strl, op : Bl ywh-bn, fus dif 

 b or yw glob in outer flame. Prim. 

 260. 5-0—5-5 Mas, cleav ; G 3-4—3-8 ; bkh-bn ; St ywh-gy ; res, 

 ad ; strp, op ; nit sol, no efferv : Bl fus ! bk sco- 

 ria ; bor, violet. 



206. " IV ; cryst ; G 4-8— 5-1 ; bn, rdh-bn, gyh ; St rdh-w 



bnh-w ; vit, res ; strp, op : Bl fus dif I I yw, op. 

 Prim. 

 157. 60— 6-5 IV; gran mas; G 31— 33; ligbt yw, bn, rdh; S 

 paler; res, vit; trp, strl; very brittle: Bl fu 

 dif! ! loses color. Gran limest. Prim. 



207. " V; acic cry6t; mas; G 3-2 — 4*1; bnh-bk, gnh 



submet res ; St gnh-gy ; op, strl : Bl fus, froths, 

 bk scoria. Prim. 



Wad, 



Black copper, 



Earthy cobalt, 

 Cacoxene, 



260. 10 



t Infusible. 

 Mas, often earthy ; G 3-7 ; bn, bk, soils ; 



Warwickite, 

 Red zinc ore, 



Dioptase, 



Limonite. i 



Chromic iron, 

 Pitchblende, 



Psilomelane, 



Rutile, 



ganese reaction. 



296. " Mas, or earthy ; bk, bnh-bk ; St bk ; soils : Bl, cop- 

 per reaction. Copper ores. 



267. u Earthy, mas ; bk : Bl, bor, blue from cobalt. 



249. 30— 40 Fib, rad ; G 3.3—3-4 ; ywh-bn, yw ; St ywh; silky . 

 Bl, bor dark red bead. Iron ores. 



269. u I ; dodec cleav ; mas ; fib ; G 4 — 4-1 ; resin yw, 



bn, bk, red ; St pale ; strp, op ; nit sol, emitting 

 sulph hydrogen: Bl,bor infus; on char, at high 

 heat, fumes of zinc. 

 3-0—4-0 Prismatic cryst ; G 3—3-3 ; bnh, tarnished bh, or 

 wh ; St bnh ; met-p'ly ; res. Gran limest. 



270. 4-0 III; fol! mas; G 54— 56 ; bright r; St. orange; 



subad ; strl, op ; nit sol, no efferv : 2ft, 6or yw 

 glass ; soda a zinc slag. 



301. 5-0 VI; cryst; G 32— 3-3 ; emerald-gn; St gn; vit, 



res ; trp, trl ; mur, sol, no efferv : Bl, decrep, 

 ywh-gn flame ; copper ores. 

 5-0 — 5-5 Mas, mam, stalact, bot ; earthy ; G 3'9 — 4 'I ; dull 

 bn, bk, ywh ; res, submet; strp, op : Bl, bk, mag- 

 netic, iron reaction. 



241. 5-5 I ; mas, uncleav; G 4-3 — 4-5 ; iron bk, St bn ; nearly 



dull, submet ; op : Bl, bor fine gn glob. Serpentine. 



228. 5.5 Mas, bot ; G 6-47 ; bnh-bk, velvet bk ; St bk ; sub- 



metallic or dull; nit slow soli Bl, bor a gray 

 scoria. Prim. 



259. 5-0—60 Mas, bot ; G 4—4-4 ; bk, dark steel gy ; St bkh 

 submet ; op ; mur sol, odorous fumes : Bl, man- 

 ganese reaction. 



210. b-0— 6-5 II; rarely mas ; G 4-2—4-3 ; rdh-bn, ywh, gy; St 

 paler ; ad, met-ad ; trl, op : Bl, bor ywh r glass 

 crystals ^ften acicular. Prim, etc. 



