Australian gold rushes 5000 ounces (57 kg). In January 1851, before Hargraves' find of gold in February 1851 at Ophir near Orange in New South Wales which started the first Australian gold rush, George Hermann Bruhn had left Melbourne to explore the mineral resources of the countryside of Victoria. On his trek Bruhn found, on a date unknown, indications of gold in quartz about 2 miles (3 km) from Edward Stone Parker's station at Franklinford (between Castlemaine and Daylesford). After leaving Parker's station Bruhn arrived at Donald Cameron's station at Clunes in April 1851. Cameron showed Bruhn samples of the gold that had
California Gold Rush stores in Sacramento, Coloma, and other spots in the goldfields. Just as the rush began he purchased all the prospecting supplies available in San Francisco and re-sold them at a substantial profit. Some gold-seekers made a significant amount of money. On average, half the gold-seekers made a modest profit, after taking all expenses into account; economic historians have suggested that white miners were more successful than black, Indian, or Chinese miners. However, taxes such as the California foreign miners tax passed in 1851, targeted mainly Latino miners and kept them from making as much money as whites, who did not