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Mark Steinmetz sampler (28/33)

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Gold crystals in quartz. Gold-bearing quartz vein, Mother Lode area, Sierra Nevada Mountains, central California, near Mariposa, CA, USA. The California Mother Lode is a zone a few miles wide and 120 miles long discovered in the mid-19th century, center to the "California Gold Rush".
Gold crystals in quartz. Gold-bearing quartz vein, Mother Lode area, Sierra Nevada Mountains, central California, near Mariposa, CA, USA. The California Mother Lode is a zone a few miles wide and 120 miles long discovered in the mid-19th century, center to the "California Gold Rush".
Filename: GLM4202.jpg
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