Gold
USA - North America
Au
Description
Large hoppered crystals --elongated, lustrous and sharp-edged-- with some quartz crystals. Analysis showed the following composition: 88% Au, 12%Ag.
Mockingbird Mine, Mariposa County, California
Collection of origin
John Emmett (USA)
Probable extraction year
2006
Old English (Old Norse goll). Its chemical symbol comes from the Latin for gold, aurum.
Class
1 - Natives and Alloys / Natives
Dimensions (length x with x height in cm)
6x8.5x6.5
Hardness (Mohs)
2.5
Density (G/cm3)
17.6
