Fine display specimen of Oco geode from Três Pinheiros. This complete half nodule has a polished surface with the measurement: 90 x 28 mm. Up to 34 mm thick, weight: 79 grams. Inside the geode are good cristalized goethite cristals covered with nice quartz!
See also nr 043, the other half. I like to sell them as a pair (€ 16,-) Just order both and I'll fix the price later.
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