OF CENTRAL CANADA PART II. 51 



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



, 7 C. silver-white (soft) SILVER (No. 5.) 



' C. copper-red (soft) COPPER (No. 6. ) 



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



jo ( BB, on chareoal, a copious yellow incrustation 19 



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



1Q ( Colour, lead-grey. Perfectly malleable . , Lead (No. 7.) 



y ) 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 mi caceou s or scaly rUlin ! ; ; ; ; ; ; ; ; | ; 



, ^ Marking on paper. Streak, black .... ................. .......... 22 



Not marking. Streak, white or greyish ( Mica) ................. 21 bis. 



91 , ., 5 Not attacked by acids. . .MUSCOVITE or POTASH-MICA (No. 77.) 

 ( Decomposed (in powder) by sulphuric acid ..... PHLOGOPITE or 



MAGNESIA MICA (No. 78.) 



( 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 

 23] PYRITES (No. 19.) 



( Not affecting the magnetic needle ................................. 24 



, ( BB, easily fusible (with or without previous decrepitation) ......... 25 



' ( BB, infusible, or nearly so .................................... , . . 34 



iy~ ( BB, a magnetic globule ......................................... 26 



| Fusion-globule not magnetic ..................................... 28 



~ ( Colour dark-lead grey ...... ......... .... - .......... Tennautite (No 



( Colour metallic-yellow or red ................................ 26 b is 



vr j j In acicular form only ....................... Millerite (No. 18.) 



s I Not acicular ................................................ 27 



( Colour brass yellow (sometimes with iridescent tarnish ...... COPPER 



PYRITES (No. 16.) 

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



flesh Ore, No. 15.) 

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



L some examples, (No. 17.) 



O g \ Colour pale-red or yellowish .......... Nickeline (most examples, No. 17. ) 



' j Colour, metallic white or grey .................................... 29 



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



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



OQ ( BB, a white coating on charcoal ............... .................... 31 



| BB, a yellow incrustation on charcoal ................. ........... 32 



31 



( Lamellar or line-granular in structure Native Antimony (No. 9. ) 



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



iBB, with mixture of potassium iodide and sulphur forming on charcoal 

 a vivid scarlet coating 33 

 BB, as above, no scarlet coating 33 bis 



