Vibrant Purple Grape Agate Sphere with Natural Botryoidal...

Botryoidal Chalcedony Collector Specimen — This extraordinary specimen is a meticulously crafted sphere of grape agate, one of the most fascinating mineral discoveries of recent years. The spherical shape, partially polished, creates a breathtaking contrast with the natural cavity that opens inside, revealing the characteristic botryoidal structure that gives this mineral its name. Each small violet sphere resembles a miniature grape, forming a three-dimensional landscape of great visual impact. Mineralogically known as Botryoid Calcite? Wait: The Italian says Calcedonio Botrioidale, which is Botryoidal Chalcedony, a variety of microcrystalline quartz. The text says

估價:$190.61

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