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geraldarmstrong48: Cone-in-cone (No. 3910-04222016)
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geraldarmstrong48: Cone-in-cone structure (No. 3909-04222016)
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geraldarmstrong48: Moquoi Marble
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geraldarmstrong48: Chalcedony Nodule (No. 8692-05132019)
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geraldarmstrong48: Chalcedony Nodule (No. 8691-05132019)
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geraldarmstrong48: IMG_0408_Moho-01
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geraldarmstrong48: IMG_0411_Moho-02