119 



ANTIMONY. Case 87. 



Specimens are exhibited from California, Queensland, and Native 

 Borneo. That from Queensland — Port Mactay — shows good " iino^^y- 

 crystals. 



Earthy oxides of antimony ; Mexico, Spain, Borneo, Victoria. Cervantite,&c. 



Oxide of antimony ; Canada, Victoria. The Canadian Valentinite. 

 specimens are associated with kermesite, and closely resemble 

 that from New South "Wales in case 68. 



An oxide of antimony ; 3878, California. Partzite. 



Sulphide of antimony; California (crystallised), Canada, Antimonite. 

 Borneo, Portugal, Corsica, Spain (showing the ore in different 

 stages of dressing), Hungary, New Zealand, Queensland, New 

 Caledonia. 



Sulph-antimonide of lead ; 6257, Sweden. Boulangerite. 



COBALT. Case 89. 



New Caledonia (3-6% of cobalt) ; Victoria, Cornwall, Q,aeens- Cobaltiferous 

 ■1 I wad(asbolan). 



Hydrous arsenate of cobalt. South Australia. Erythrine. 



8635; Schneeberg, the Erzgebirg, Saxony; a crysballised 

 specimen; kept covered, as the colour is said to be destroyed on 

 exposure to light. 



Arsenide of cobalt ; Schneeberg, Saxony. Smaltite. 



Sulph-arsenside of cobalt; small crystals frora Sweden. The Cobaltite. 

 crystal form (Xhe pentagonal dodecaliedro-ii) is very characteristic ; 

 it is well shown by the model exhibited. 



Sulphide of cobalt with nickel, iron, &c. ; 10019, Mexico. LinnEeite. 



NICKEL. Case 89. 



Nickel is chiefly used in the preparation of alloys with copper, 

 such as nickel-silver, and of nickel steel. A great variety of 

 minerals in whicli nickel is an essential constituent are known, 

 but these do not often occur in suiEeient quantities to be nsed 



