Pyrite; main crystal just over 1/2" x 3/8"; collector/photographer Arthur Koch
Another from my personal collection, this is another pair of penetrators. This is as large as the penetrators typically get. Like a lot of crystals from the site there is a bit of oxidation.
Another from my personal collection, this is another pair of penetrators. This is as large as the penetrators typically get. Like a lot of crystals from the site there is a bit of oxidation.
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