424 TABLE I. FOR DETERMINATION OF MINERALS. 



Hardness. 

 Pyrochlore, 208. 50 1; octahed cryst; G 4-2 — 4-3; rdh-bn, yw, ywh, 



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



bor yw glob in outer flame. Prim. 

 Triplite, 260. 50— 55 Mas, cleav ; G 3-4— 38 ; bkh-bn ; St ywh-gy ; res, 



ad ; strp, op ; nit sol, no efferv : Bl fas I bk sco- 

 ria; bor, violet. 

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



bnb-w; vit, res; strp, op : Bl fas dif 1 ! yw, op. 



Prim. 

 Chondrocyte, 157. 60— 65 IV ; gran mas ; G 31— 33 ; light yw, bn, rdh ; S» 



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



dif I ! loses color. Gran limest. Prim. 

 Allanite, 207. " V; acic cryst; mas; G 3-2— 41; bnh-bk, gnh 



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



bk scoria. Prim. 



Wad, 



Black copper, 



Earthy cobalt, 

 Cacoxene, 



Blende, 



WarwicMte, 

 Red zinc ore, 



Dioptase, 



Limonite. 2 



Chromic iron, 

 Pitchblende, 



Psilomelane, 



Rutile, 



260. 10 



296. 



267. 

 249. 



t Infusible. 

 Mas, often earthy; G 37 ; bn, bk, soils: Bl, man- 

 ganese reaction. 

 - Mas, or earthy ; bk, bnh-bk ; St bk ; 6oils : Bl, cop- 

 per reaction. Copper ores. 

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

 30 — 4-0 Fib, rad ; G 3.3—3-4 ; ywh-bn, yw ; St ywh ; silky . 

 Bl, bor dark red bead. Iron ores. 



269. " 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 infas ; on char, at high 

 heat, fumes of zinc. 

 3-0 — 4-0 Prismatic cryst; G3 — 3-3; bnh, tarnished bh, or 

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



270. 4-0 HI; fol! mas; G 5-4— 5-6 ; bright r; St orange; 



subad ; strl, op ; nit sol, no efferv : Bl, bor yw 

 glass ; soda a zinc slag. 



301. 5-0 VI; cryst; G 3-2—3-3; emerald-^n; 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 — 4-1; dull 

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

 netic, iron reaction. 



241. 5-5 I ; mas, uncleav; G 43 — 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, lor a gray 

 scoria. Prim. 



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

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

 ganese reaction. 



210. 6-0—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. 



