Gold, Harvard Mine, California (Specimen #100273)

Mineral(s): Gold, Quartz 

Location: Harvard Mine (Harvard Mine group; McCann claim; Mooney claim; Pacific claim; Vulture claim; Trio claim; Sobrante claim), Jamestown Mine (Jamestown group), Jamestown, Jamestown District, Tuolumne County, California, USA  

Size: 5.4 X 2.6 X 1.8 cm 

Description:  A rich, bright yellow, 1.5 cm gold mass is set atop a 5.4 cm blocky milky quartz matrix with gold showing throughout the matrix. This specimen is from a classic, well-known California gold mine. A large amount of gold for the specimen size. The original Harvard Au-Ag underground mine first produced in 1891. It became part of the Jamestown Group of mines from 1986 to 1994 with open pit mining. The Group mines closed in 1994, but most subsequent finds were labeled as coming from the Harvard Mine.