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This is a polished specimen featuring blue-grey and white agate, quartz crystal, and an opening that connects to the back of the specimen, which is rough exposed quartz. It also has tubes with additional banding surrounding them. 21 cm x 8 cm x 7 cm 4 lb 8.4 oz Polyhedroid Agates were found in Paraiba, Brazil, but are now unavailable. They are pseudomorphic formation of agate, forming in the negative space between large crystals of calcite or aragonite. They uniquely feature naturally flat surfaces in a variety of angles. To view photos at a larger size, right click the image and select "open link in new tab."
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🇺🇸 Ship from USA · On Agora since 2025
$1,200.00