CATALOGUE OF PHILOSOPHICAL APPARATUS. 15 



E SILICATES WITH SALTS OF OTHER ACIDS. 



Drawers 47, 48. As with sulphates, Example : hauyne ; 



with chlorides, socialite ; 



with fluorides, topaz ; 



with borates, tourmaline. 



F. MINERALS SILICEOUS, BUT INDEFINITE IN THEIR 



CHEMICAL COMPOSITION. 



Drawer 49. Examples: Pumice, pitchstone, obsidian. 



G. METALLIC ORES. 



Drawer 50. Ores of arsenic, selenium, bismuth. 



Drawer 51. Ores of antimony. 



Drawer 52. Ores of manganese. 



Drawer 53. Ores of cobalt. 



Drawer 54. Ores of uranium and molybdenum. 



Drawer 55. Ores of tungsten, titanium, cerium and columbium. 



Drawers 56, 57. Ores of zinc and cadmium. 



Drawers 58, 59. Ores of tin. 



Drawers 60, 61, 62, 63. Ores of lead. 



Drawers 64, 65, 66, 67, 68, 69. Ores of iron. 



Drawer 70. Ores of nickel. 



Drawers 71, 72, 73, 74. Ores of copper. 



Drawer 75. Ores of mercury. 



Drawer 76. Ores of silver. 



Drawer 77. Ores of gold, platinum, &c. 





