White + Pink Gold In Quartz Earrings 1860 American Gold RushIn the exciting year of 1850, post gold rush, California proudly became the 31st state of the United States, and San Francisco, once a ghost town, blossomed into a bustling city with 25,000 residents. By the end of 1850, the easily accessible gold was mostly depleted, leading to the development of new techniques to extract more elusive veins of gold nestled in quartz. In 1851, "hard rock" mining became the go to industry in Northern California, a task