
Botryoidal Chalcedony Specimen
The item is a raw mineral specimen, held in a human hand for scale. It appears to be a type of chalcedony with a botryoidal or mammillary habit, characterized by rounded, grape-like clusters. The color ranges from a translucent, honey-orange to a murky brown and greenish-grey. Numerous small, bulbous formations cover the surface of the rock. There are also areas with a rougher, earthy texture and darker coloration, suggesting the presence of a matrix material or inclusions. Some of the translucent areas show internal structures or zoning. The surface of the material appears somewhat glossy in places, particularly on the rounded formations. No visible manufacturing marks, signatures, or stamps are present, which is typical for raw mineral specimens. Given the appearance, it could possibly be a type of Grape Agate or botryoidal chalcedony. The overall condition appears stable; there are no immediately apparent cracks or breaks, but the natural formation includes areas of vuggy or irregular texture. The size is small, approximately fitting within the palm of a hand. The quality is based on the formation and color saturation, which appears moderate in the visible area.
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Estimated Value
$30-60
Basic Information
Category
Mineral Specimen
Appraised On
August 28, 2025
Estimated Value
$30-60
Item Description
The item is a raw mineral specimen, held in a human hand for scale. It appears to be a type of chalcedony with a botryoidal or mammillary habit, characterized by rounded, grape-like clusters. The color ranges from a translucent, honey-orange to a murky brown and greenish-grey. Numerous small, bulbous formations cover the surface of the rock. There are also areas with a rougher, earthy texture and darker coloration, suggesting the presence of a matrix material or inclusions. Some of the translucent areas show internal structures or zoning. The surface of the material appears somewhat glossy in places, particularly on the rounded formations. No visible manufacturing marks, signatures, or stamps are present, which is typical for raw mineral specimens. Given the appearance, it could possibly be a type of Grape Agate or botryoidal chalcedony. The overall condition appears stable; there are no immediately apparent cracks or breaks, but the natural formation includes areas of vuggy or irregular texture. The size is small, approximately fitting within the palm of a hand. The quality is based on the formation and color saturation, which appears moderate in the visible area.
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