The following specimens were exhibited:-Specimens of Auriferous Quartz from New Caledonia, and of Tin Ore from New South Wales, exhibited by Mr. G. Milner Stephen; specimen of gold from the Thames ...

Barnard, of this city, which is designed to insure the more perfect separation of gold from auriferous quartz, when crushed, or from any other ore, by mechanical means alone, or combined with ...

It was found on the extreme margin of a patch of auriferous alluvium trending from ... though mixed with quartz, the great body of it was solid gold. The annexed engraving has been reduced from ...