A gold specimen with surface crystals, from the National Mineral Collection at the Smithsonian Institution National Museum of Natural History in Washington, D.C. This specimen was collected from Grass Valley in California.
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Location: Grass Valley, Nevada Co., California, United States, North America
Rights: This image was obtained from the Smithsonian Institution. The image or its contents may be protected by international copyright laws. http://www.si.edu/termsofuse