Botryoidal Mineral Specimen
Mineral Specimen

Botryoidal Mineral Specimen

This item appears to be a raw, unpolished mineral specimen. It is irregular in shape, roughly the size of an adult thumb. The material exhibits a botryoidal or bubbly texture on one surface, with numerous rounded, translucent to semi-translucent formations. The colors range from pale white and clear to shades of amber and brown, suggesting the presence of different minerals or impurities. The underlying matrix is a rough, earthy brown material with visible mineral inclusions and some surface crusting. There are visible variations in transparency and color within the botryoidal formations, indicating potential zoning or different stages of growth. The overall condition appears to be natural and unaltered, with no visible signs of cutting, polishing, or treatment. The rough matrix shows natural fractures and texture. The quality of the botryoidal formation varies, with some areas being more well-defined and rounded than others. The piece has a somewhat vitreous or glassy luster on the smooth, bubbly surfaces. The rough matrix is dull and opaque. The hand in the image provides a sense of scale. There are no visible maker's marks, signatures, or stamps. This piece likely represents a natural geological formation.

Estimated Value

$30-$60

Basic Information

Category

Mineral Specimen

Appraised On

August 28, 2025

Estimated Value

$30-$60

Item Description

This item appears to be a raw, unpolished mineral specimen. It is irregular in shape, roughly the size of an adult thumb. The material exhibits a botryoidal or bubbly texture on one surface, with numerous rounded, translucent to semi-translucent formations. The colors range from pale white and clear to shades of amber and brown, suggesting the presence of different minerals or impurities. The underlying matrix is a rough, earthy brown material with visible mineral inclusions and some surface crusting. There are visible variations in transparency and color within the botryoidal formations, indicating potential zoning or different stages of growth. The overall condition appears to be natural and unaltered, with no visible signs of cutting, polishing, or treatment. The rough matrix shows natural fractures and texture. The quality of the botryoidal formation varies, with some areas being more well-defined and rounded than others. The piece has a somewhat vitreous or glassy luster on the smooth, bubbly surfaces. The rough matrix is dull and opaque. The hand in the image provides a sense of scale. There are no visible maker's marks, signatures, or stamps. This piece likely represents a natural geological formation.

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