ANALYSES OF CHROMITE AND PICOTLTE. 



Ill 



Chromite and Picotite. 



A1,0:, 



no. 17 

 5().;!4 

 52.47 

 53.U.3 

 55.:; 1 

 5(5.00 

 20.80 

 14.73 

 10.110 



:].85 



1.12 

 trace. 



0.48 

 16.77 

 20.50 

 18.00 

 10.81 

 22.79 

 24.71 

 21.80 

 1315 

 17.00 



7.70 

 27.83 



5 92 

 20.14 

 13.002 

 20.(;26 



4.80 

 10.15 



12.00 

 10.84 

 13.(J0 

 10.07 

 22.()4 

 20.30 

 21.12 



0.60 

 11.53 

 20.15 

 10.23 

 23.84 

 22.41 



7.47 

 10.14 



9.69 

 13.85 



5.40 

 22.22 

 10.72 



8.60 



7.29 



6.GG 



8.20 



20.06 



8.71 



3.33 



9.30 



893 



12.60 



10.20 



6.77 



11.30 



21.57 



1425 



500 



11.87 



6.14 



MgO. 



17.27 



17.87 

 18.23 

 23.59 

 10.18 

 10.30 

 11.78 



6.12 

 21.101 

 25.40 

 28.71 

 10.60 

 10.92 

 14.85 

 12.08 

 17.40 



9.18 

 13.65 



7.81 



12.53' ' 



3.08 

 16.22 

 10.47 

 14.07 

 10.60 



17.6(35" 



13.23 



16.86 



21.28 



14.88" 

 15.27 

 12.72 



""3.18" 

 12.85 

 21.06 



7.77 

 15.25 



0.77 

 15.67 

 17.30 



3.00 

 11.89 



9.96 



4.09 

 11.64 



6.28 

 23.77 



6.28 



2.06 

 15.03 

 20.55 



14.23 



4.27 



6.00 



2.88 



15.09 



4.68 



13.40 



18.13 



8 90 



1.80 



11.53 



15.72 



17.05 



Cr.,0.,. 



4.74 



5.75 

 7.01 

 7.23 

 7.00 

 8.00 

 9.80 

 16.80 

 17 006 

 17.73 

 17.88 

 21.16 

 31.20 

 31.48 

 82.75 

 38.20 

 33 50 

 34.75 

 35.60 

 3G.00 

 87.00 

 37.31 

 38.12 

 39.05 

 39.33 

 39.50 

 39.514 

 89.574 

 40.00 

 41.00 

 41.55 



42.00 

 42.13 

 42.20 

 42.60 

 42.80 

 48.00 

 48.20 

 43,23 

 43.40 

 43.50 

 43.70 

 43 80 

 44.15 

 44.20 

 44.79 

 44.81 

 44.91 

 45,00 

 45.10 

 45,32 

 45.40 

 45.46 



45.50 

 45,90 



46.87 



47.39 

 47.50 

 47.50 

 47.66 

 48.72 

 49.00 

 49.49 

 49.75 

 50.06 

 50.50 

 50.80 

 50.80 

 51.50 



Fe/),. 



FeO. 



SiO.,. 



11.40 



2.72 

 29.06 

 22.499 



trace. 

 27.72 



trace. 

 0.90 



"37.26" " 



' "3.86" " 

 1.06 

 0.85 

 0.75 



'3"6".664" 

 16.558 



62.02 



trace. 

 "34'. 76" 



trace. 



5.78 



trace. 



0.97 



2,30 

 22.27 

 21.42 



3.85 

 24.(50 

 24.90 



7.00 

 12.05 



It;' 81" 

 5.60 

 11.10 

 14.79 

 20.60 

 23.84 

 23.40 

 24.71 

 16.81 

 25.62 



'34.79" 



35.12 



27.40 



18.05 



27.70 



28.20 



37.77 

 23.14 



19.72 

 33.93 

 23.84 

 19.62 

 19.33 



"30.62" 



20.90 



20.56 



20.92 



21.27 



31.55 



11.76 



24.93 



81.85 



21.41 



18,97 



42.31 



14.59 



23.97 



21.88 



43.89 



42.78 

 35.68 

 12.98 



23.17 

 45.22, 

 85.70 

 34.87 

 18.33 

 29.20 

 23.27 

 21.28 

 15.79 

 23.96 

 27.00 

 15.92 

 22.75 



20.01 

 3.77 

 1.25 



"'l'.98" 



2,00 



4.85 



6.17 

 14.211 

 26.70 



9.82 

 12.04 

 11.30 



7.30 



7.67 



8.00 



4.63 



9.43 



3.56 



5.00 



2.53 



2.82 



8.53 



2.10 

 11.64 



1.91 

 10.596 



4.19 



4.20 



8.85 



1.25 



5.00 

 4.75 

 5.48 

 9.31 

 2,02 

 2,00 

 2.31 

 6.93 

 4.87 

 6.92 

 5.42 



6.10 

 2.06 

 5.50 

 0.83 

 3.20 

 6.40 

 12.42 

 5.26 



CaO. 



;.oo 



6,20 



'1.56" 

 5.53 



5.26 

 7,00 



7.07 



"3.12' 

 2.75 

 4.90 

 4.90 

 3.56 



13.20 



5.50 

 10.55 

 8.800 

 7.20 



'24.3('i " 



2.01 



'8.80' 

 2.02 

 1.55 



trace. 



Miscellaneous. 



2.20 

 1.13 



trace. 

 4.70 



trace, 

 trace, 

 trace. 



5.74 



trace. 



4.80 



CO.,-»-H, = 4.45. 



Fe(,'Og = 37.75. 

 CO.i= 2.27, ll./J=l.fK). 



CO.,' = '2".86. 



CO". =35.0.5. 



€0.^=18.14. 

 MiUJ^=4.18. 



Ca^'1.63." 



CO.2 = trace. 



" 0(3! = 0.62." " 



Mn.O,,= 1.12. 

 Mn26j=1.45. 



CO, = 0.88. 



Mn.,(.).,= 1.9-3. 



CO., = 125. 



Total. 



CO., = 0.75. 



98.20 

 IWOO 

 1WJ.38 

 HK).W 



101.20 



100.20 



9*1.65 



99.317 



100.49 



100.28 



100.4« 



100.50 



100.00 



99.88 



100.00 



100.63 



10fJ..35 



{J9.47 



100.00 



100.00 



If 025 



98.73 



99.80 



99.42 



100.35 



99.116 



98 023 



100.00 



100.00 



104.b2 



100.00 



100.65 



100.00 



99.97 



100.64 



100.00 



100.33 



99.03 



101.42 



99.26 



100.32 



9996 



99.77 



100.00 



100.84 



100.29 



98.25 



100.00 



99.95 



98.71 



99.91 



102.42 



100.00 



9iXei 



100.25 



99.70 



100.32 



100.00 



9...71 



100.00 



1W.08 



UX).00 



100.46 



99.44 



99.78 



99.2:^ 



99.21 



UKl.OO 



