Unpolished Agate Or Chalcedony Mineral Specimen Appraisal

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Unpolished Agate or Chalcedony Mineral Specimen

The item is an unpolished mineral specimen, likely a form of agate or chalcedony, held in a human hand for scale. Its physical characteristics include an irregular, amorphous shape with visible banding in shades of translucent amber, opaque white, and reddish-brown. The surface displays both rough, porous textures and smoother, glassy areas, indicative of a conchoidal fracture in places. There are no discernible markings, signatures, or manufacturing details as this is a natural formation. The specimen shows signs of natural wear and some areas of white mineral deposits, possibly calcium carbonate, within crevices. The prominent colors and banding suggest depositional layers. The overall condition appears consistent with a found specimen that has not undergone any significant preparation or polishing. Its age is geological, dating back millions of years depending on its origin. There are no unique or unusual aspects readily apparent from the image; it appears to be a typical example of this type of mineral formation. Quality indicators relate primarily to the clarity and complexity of the banding patterns, which are moderately visible in this specimen. The craftsmanship is entirely natural, a product of geological processes.

Estimated Value

$10-25

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