Descloizite, Chalcophanite Richmond Sitting Bull Mine Galena Lawrence Co. South Dakota USA (2005) FOV:1.6 mm

#2730 Descloizite, Chalcophanite Richmond Sitting Bull Mine Galena Lawrence Co. South Dakota USA (2005) FOV:1.6 mm Revisiting one of my favorite specimens I collected by in the mid 1980s. My…

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