Polished Agate or Chalcedony Stone
The item is a small, polished stone, likely a type of agate or chalcedony. It has been tumbled or cabochon-cut into a somewhat irregular triangular or shield shape with gently rounded edges and corners. The color is predominantly translucent to semi-translucent white, with internal patterns of swirling grey and white, indicative of banding characteristic of cryptocrystalline quartz varieties. There appear to be some areas with a yellowish or brownish tint within the translucent material, suggesting slight iron staining or other mineral inclusions. The surface is highly polished and exhibits a vitreous to waxy luster, reflecting light and showing iridescent flashes, particularly at the edges. There are no visible chips, cracks, or significant surface abrasions, suggesting a good overall condition. No visible maker's marks, signatures, or stamps are present. The exact age is difficult to determine without further information or analysis, but its polished state suggests it has been processed for decorative or collection purposes. The craftsmanship of the polish appears smooth and consistent. The stone is small enough to be held comfortably in the palm of a hand, as demonstrated in the image. The internal patterns are the most notable feature, giving the stone a unique aesthetic.
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Estimated Value
$15-25
Basic Information
Category
Mineral Specimen
Appraised On
August 28, 2025
Estimated Value
$15-25
Item Description
The item is a small, polished stone, likely a type of agate or chalcedony. It has been tumbled or cabochon-cut into a somewhat irregular triangular or shield shape with gently rounded edges and corners. The color is predominantly translucent to semi-translucent white, with internal patterns of swirling grey and white, indicative of banding characteristic of cryptocrystalline quartz varieties. There appear to be some areas with a yellowish or brownish tint within the translucent material, suggesting slight iron staining or other mineral inclusions. The surface is highly polished and exhibits a vitreous to waxy luster, reflecting light and showing iridescent flashes, particularly at the edges. There are no visible chips, cracks, or significant surface abrasions, suggesting a good overall condition. No visible maker's marks, signatures, or stamps are present. The exact age is difficult to determine without further information or analysis, but its polished state suggests it has been processed for decorative or collection purposes. The craftsmanship of the polish appears smooth and consistent. The stone is small enough to be held comfortably in the palm of a hand, as demonstrated in the image. The internal patterns are the most notable feature, giving the stone a unique aesthetic.
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