Australian gold rushes The specimens have been subjected to the most rigid test by Mr Patterson, in the presence of other competent parties, and he pronounced them to be beyond any possibility of doubt pure gold...The particulars of the precise location, with Esmond's consent, was published in the "Geelong Advertiser" on 22 July 1851. Publication of Esmond's find started the first official gold rush in Victoria in that same month. By 1 August between 300 and 400 diggers were encamped on the Clunes Goldfield, but soon moved to other fields as news of other gold discoveries spread. Esmond was in 1854 to receive
Gold in California Both during the Gold Rush and in the decades that followed, gold-seekers also engaged in "hard-rock" mining, that is, extracting the gold directly from the rock that contained it (typically quartz), usually by digging and blasting to follow and remove veins of the gold-bearing quartz. By 1851, quartz mining had become the major industry of Coloma. Once the gold-bearing rocks were brought to surface, the rocks were crushed and the gold separated, either using separation in water, using its density difference from quartz sand, or by washing the sand over copper plates coated with mercury (with which gold forms an