[ m 3 



It's folution in the nitrous acid is clear and 

 colourlefs; when it is concentrated, it exhibits 

 pointed needle-like cryftals. 



The pure alkali precipitates from the acid folu- 

 tions of it, an oxyde of a white colour, foluble 

 in all the acids. 



The ore of white gold of Fatzbay, aurum vel 

 metallum problematicum, contains : Anal. Metal 

 of Tellurium 925,5. Iron 72,0* Gold 2,5. To- 

 tal 1000. 



The graphic gold of Offenbanya, contains Tel- 

 lurium 60. Gold 30. Silver 10. Total 100. 



The mineral known under the name of the 

 Yellow Ore of Nagyag, contains Tellurium 45, 

 Gold 27. Lead 19,5. Silver 8,5. Sulphur 

 fcarcely an atom. Total 100,0. 



The Foliated grey Gold of Nagyag, contains 

 Lead 50. Tellurium 33. Silver 8,5. Sulphur 

 7,5. Silver and Copper 1. Total 100,0. 



Y % CLASS 



