TABLE I. FOR DETERMINATION OP MINERALS. 417 



Websterite, 

 Nemalite, 

 Calc spar, 



Aragonite, 

 Diallogite, 

 Magnesite, 

 Blende, 



Dolomite, 

 Mesitine spar, 

 Oligon spar, 

 Yttrocerite, 



Witherite, 

 White lead ore, 



Pyromorphite, 



Spathic iron, 



Wavellite, 



Cacoxene, 

 luor spar, 



Apatite, 



Hardness. 

 129. 1-5—20 Ren, mas ; G 1-6— 1-7 ; dull ; w, op ; adheres to the 



tongue : sul, sol, no effervescence. 

 125. 2 Silky fib ; G 2-3—2-5 ; gyh, bh-w ; fibres separable, 



brittle on exposure. Serpentine. 

 115. 3;0— 2-0 VI ; cleav ! fib, mas ; G 2-3—2-5 ; vit, p'ly, w, gy, 



bnh, bk ; trp — op. ; sometimes soft and earthy 



Bl, intense light. 

 118. 3-5 IE ; mas, fib ; G 2-8—3 ; vit ; w, gyh, bnh; trp— 



op ; effervesce ; Bl. intense light, crumbles. 

 261.3-5 VI; cleav; mas; G 3-5—3-6; vit, p'ly; rdh; trl 



op ; nit, effervesces : Bl, bor, violet glass. 

 124. 3-0—4-0 VI ; cleav ! fib, mas ; G 2-9—3 ; vit, silky ; w, ywh, 



bn ; trp, op ; little effervescence. 

 269. 3*5 — 4-0 I ; dodec cleav ; mas ; G 4 — 4-1 ; resin-yw, rdh, 



w ; trp, strl ; nit sol, emitting sul. hydrogen : Bl, 



bor infus. 

 118. 3-5 — 4-0 VI ; cleav ! mas ; G 2*8 — 2-9 ; vit, p'ly ; w, gy, bn ; 



no effervescence unless heated. 

 249. 4-6 VI ; cleav ! mas ; G 3-3—3-65 ; vit ; ywh, bn on 



exposure ; mur slow solution. 



248. " VI ; cleav ; mas ; G 37 — 3*8 ; vit ; bn on exposure : 



Bl, bor amethystine glob. 

 206. 4-5 — 50 III; cleav; mas; violet b, gyh, rdh-bn ; vit, p'ly; 

 strl, op ; hot mur, sol ; Bl. whitens. Prim. 



t Fusible with more or less difficulty. 



109. 3-0—3-5 III; mas, fib; G 4-2—4.4 w, ywh, gyh; trl— op, 



nit efferv : Bl fus I op. glob. 

 281. 3-0—3-5 III ; mas ; G 6-1— 65 ; w, gyh, bnh ; ad, res ; trp 



trl ; brittle ; mur eff : Bl, fus I on char, lead. 



Ill 3-5 III; cleav; fib, mas; G 3-6—3-7; res, vit; gnh, 



ywh, gyh; effervescence: Bl, fus dif! colors 

 flame reddish. 



283. 3-5— 4-0 VI; hexag pms ; bot, fib; G 6-5—7-1; bright gn, 

 iw, bn ; res ; strl, strp ; brittle ; hot nit sol : Bl, 

 fus ! With lead ores. 



247. 3—4 VI , cl, mas ; G 3-7—3-9 ; ply ; ywh, bnh, gyh ; dark- 

 ens on exposure ; trl, op ; pulverized, some eff* : 

 Bl, fus dif! ; blackens ; iron reaction. 



130. " III; fib, glob; G 23—2-4; p'ly, vit; w, ywh, bnh, 

 gyh ; trl ; hot nit, sol, vapors corrode glass : Bl, 

 fus, intum, colorless glass. 



249. - Div, rad, fib, silky ; G 33—3-4 ; y wh-bn, ywh ; bn on 



exposure : Bl, infus. 



121. 4 I ; cl ! mas ; G 3 V- 32 ; vit ; w, yw, b, violet, gn, r, 



often lively ; trp, trl ; sul, affords fumes that cor- 

 rode glass : Bl, fus, decrep ; phosphoresces when 

 heated. 



120. 4-5-5-0 VI; hexag; mas; G 3—33; vit, res; gn, bh, w 

 rh, bn ; trp, op ; brittle ; nit sol slowly m powder, 



