Polished River Stone (Possible Quartz or Chalcedony)
Geological Specimens

Polished River Stone (Possible Quartz or Chalcedony)

This item is a relatively large, smooth, and oblong-shaped stone held in a human hand for scale. It appears to be roughly 3 to 4 inches in length and possesses a semi-translucent quality, suggesting a high mineral content such as quartz, chalcedony, or a similar silicate mineral. The color palette is composed of muted, earthy tones, predominantly pale gray-white with subtle streaks and patches of tan, beige, and faint blue-gray. The surface texture is notably weathered and water-worn, indicating it likely originated from a high-energy aquatic environment like a riverbed or coastal area. Its edges are rounded and soft, lacking the sharp fractures typically found in freshly broken stone. There are visible surface inclusions, internal stress fractures, and a slightly waxy or dull matte finish typical of unpolished raw mineral specimens. No human-made markings, signatures, or intentional carvings are visible, characterizing it as a natural geological object rather than an artifact or manufactured product. The condition is natural, with numerous small pits and scuffs consistent with environmental rolling and abrasion over a significant geological timeframe. Its density appears high based on the thickness of the piece relative to its overall footprint.

Estimated Value

$5.00 - $15.00

Basic Information

Category

Geological Specimens

Appraised On

April 4, 2026

Estimated Value

$5.00 - $15.00

Item Description

This item is a relatively large, smooth, and oblong-shaped stone held in a human hand for scale. It appears to be roughly 3 to 4 inches in length and possesses a semi-translucent quality, suggesting a high mineral content such as quartz, chalcedony, or a similar silicate mineral. The color palette is composed of muted, earthy tones, predominantly pale gray-white with subtle streaks and patches of tan, beige, and faint blue-gray. The surface texture is notably weathered and water-worn, indicating it likely originated from a high-energy aquatic environment like a riverbed or coastal area. Its edges are rounded and soft, lacking the sharp fractures typically found in freshly broken stone. There are visible surface inclusions, internal stress fractures, and a slightly waxy or dull matte finish typical of unpolished raw mineral specimens. No human-made markings, signatures, or intentional carvings are visible, characterizing it as a natural geological object rather than an artifact or manufactured product. The condition is natural, with numerous small pits and scuffs consistent with environmental rolling and abrasion over a significant geological timeframe. Its density appears high based on the thickness of the piece relative to its overall footprint.

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