CONTENTS. 



with borax and microeosmic salt. Testing with Nitrate 

 of Cobalt. General table (for the qualitative analysis of 

 metallic substances). Confirmatory tests. To detect certain 

 common substances associated with metals. Temporary blow- 

 Pipe 24 



CHAPTER IV. 



THE CHARACTER OF MINERALS. 



External characteristics. Tables for the determination of the 

 nature of a mineral by noting its colour, lustre and streak. 

 Specific gravity. Hardness. Crystallization . . .32 



CHAPTER V. 



METALS AND METALLIC ORES THEIR CHARACTER- 

 ISTICS TESTING OCCURRENCE, ETC. 



General remarks. Aluminium; beauxite ; cryolite. Antimony; 

 sulphide. Bismuth. Chromium ; oxide. Cobalt ; tin 

 white ; earthy oxide. Copper ; native ; glance ; pyrites ; 

 grey ; ruby ; black oxide ; silicate ; malachite. Gold ; detec- 

 tion of and distinguishing tests ; peculiarities ; panning out ; 

 mechanical assay; sluicing; native gold. Iron; pyrites; 

 magnetic pyrites ; arsenical pyrites ; haematite ; magnetic 

 iron ore ; brown iron ore ; franklinite ; vivianite ; copperas ; 

 spathic ore. Lead ; galena ; carbonate ; pyromorphite ; 

 chromate ; sulphate ; rough method for obtaining lead from 

 galena. Manganese ; black oxide ; wad, &c. Mercury ; 

 native ; cinnabar ; chloride ; selenide ; to obtain metal from 

 ore. Nickel ; kupfernickel ; white ; emerald ; hydrated 

 silicate. Platinum ; native. Silver ; native ; brittle ore ; 

 glance ; hornsilver ; ruby ore ; silver in carbonate of lead. 

 Tin; tinstone; bellmetal ore. Zinc; calamine ; silicate; 

 red zinc ore 39 



CHAPTER VI. 



OTHER USEFUL MINERALS AND ORES. 



Black lead. Coal ; anthracite ; bituminous ; brown coal. Bitu- 

 meu ; asphalt ; naphtha ; petroleum. Gypsuin. Apatite. 



