Fine display specimen of an Oco geode from Três Pinheiros. This complete half nodule has a polished surface with the measurement: 54 x 41 mm. Up to 18 mm thick, weight: 41 grams. Inside the geode are good cristalized goethite cristals!
See also nr 060, the other half. I like to sell them as a pair (€ 17,-) Just order both and I'll fix the price later.
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