OF CENTRAL CANADA PART II. 51 



( Colour, yellow (soft) : , . . .GOLD (No 3 ) 



17 I Sllvei " wnite ( soft ) SILVER (No. 5. ) 



) 0. copper-red (soft) COPPER (No. 6. 



. C. steel-grey ; magnetic (hard) Meteoric Iron (No. 10. ) 



18 < ^' on cnareoa l> a copious yellow incrustation 19 



( BB, on charcoal, no incrustation. Colour, black. . SILVER GLANCE (No. 11.) 



19 ( Colour, lead-grey. Perfectly malleable . , Lead (No 7 ) 



( Colour, tin-white. Slightly malleable . , , . Bismuth (No.' 8.) 



Structure distinctly scaly or micaceous, the substance admitting of sepa- 

 ration into thin leaves, plates, or scales 21 



Structure not micaceous or scaly } JJaj king or soiling '.'.'.]'.'..'. 21 



' / JNot marking or soiling 23 



2 j 5 Marking on paper. Streak, black 22 



i Not marking. Streak, white or greyish (Mica) ...'.' . . . . .... .' . .' . .' 21 Us. 



21 bis \ To t a tt a cked by acids... MUSCOVITE or POTASH-MICA (No. 77.) 



I Decomposed (in powder) by sulphuric acid PHLOGOPITE or 



MAGNESIA MICA (No. 78.) 

 j Colour, black. BB. not dissolved by fluxes GRAPHITE (No 1 ) 



22 , Colour, lead-grey, BB, giving sulphur-reaction (see p. 44) with carb ' 



soda and borax MOLYBDENITE (No. 23.) 



( Attracting the magnetic needle. Colour, brownish-yellow MAGNETIC 



PYRITES (No. 19.) 

 ( JN ot anectmg the magnetic needle 24 



24 i -^' easily fusible (with or without previous decrepitation) . . .25 



I BB, infusible, or nearly so ' 34 



9 ( BB, a magnetic globule 26 



( Fusion-globule not magnetic 28 



dark ' lead g re 7 .............................. Teunantite (No 



Colour metallic-ellow or red 



26 bis 



3 In acicular form only -. . Millerite' (No. IS. ) 



I Not acicular 07 



( Colour brass yellow (sometimes with iridescent tarnish COPPER 



PYRITES (No. 16.) 



27 j Colour reddish, but with purple tarnish BORNITE, (Horse- 



flesh Ore, No. 15.) 



Colour pale-red or yellowish. BB, yielding arsenical fumes Nickeline 



some examples, (No. 17.) 



28 j Colour pale-red or yellowish Nickeline (most examples, No. 17.) 



( Colour, metallic white or grey 29 



29 j BB, no coating on charcoal COPPER GLANCE (No. 14.) 



I BB, a white or yellow coating on charcoal .30 



JQ | BB, a white coating on charcoal 31 



| BB, a yellow incrustation on charcoal .32 



31 j Lamellar or flne-granular in structure Native Antimony (No. 9 ) 



/ Fibrous or bladed Antimony Glance (No. 25.) 



( BB, with mixture of potassium iodide and sulphur forming on charcoal 



a vivid scarlet coating 33 



( BB, as above, no scarlet coating 33 bi s 



