Snowflake Obsidian Tumbled Stone
Minerals and Gemstones

Snowflake Obsidian Tumbled Stone

This specimen is a small, polished pieces of snowflake obsidian, a naturally occurring volcanic glass. It exhibits the characteristic deep black, vitreous matrix interspersed with white-to-gray spherulites of the mineral cristobalite, which create the 'snowflake' effect for which the stone is named. The item has been tumbled and polished to a high-gloss finish, resulting in a smooth, irregular organic shape that fits easily in the palm. Its surface displays a waxy to glassy luster with no visible fractures or deep chips, indicating good structural integrity and quality polishing work. The patterns formed by the cristobalite inclusions are scattered unevenly across the surface, varying from small specks to larger, dendritic floral-like patches. While the exact geological age is ancient, this specific tumbled piece is a contemporary decorative or metaphysical item. There are no maker's marks or signatures, as is typical for semi-precious tumbled stones. The craftsmanship is evident in the uniform sheen and the absence of rough edges, suggesting thorough processing in a vibratory or rotary tumbler. Minor microscopic surface scratches may be present due to handling, but overall the condition is excellent.

Estimated Value

$3.00 - $6.00

Basic Information

Category

Minerals and Gemstones

Appraised On

March 3, 2026

Estimated Value

$3.00 - $6.00

Item Description

This specimen is a small, polished pieces of snowflake obsidian, a naturally occurring volcanic glass. It exhibits the characteristic deep black, vitreous matrix interspersed with white-to-gray spherulites of the mineral cristobalite, which create the 'snowflake' effect for which the stone is named. The item has been tumbled and polished to a high-gloss finish, resulting in a smooth, irregular organic shape that fits easily in the palm. Its surface displays a waxy to glassy luster with no visible fractures or deep chips, indicating good structural integrity and quality polishing work. The patterns formed by the cristobalite inclusions are scattered unevenly across the surface, varying from small specks to larger, dendritic floral-like patches. While the exact geological age is ancient, this specific tumbled piece is a contemporary decorative or metaphysical item. There are no maker's marks or signatures, as is typical for semi-precious tumbled stones. The craftsmanship is evident in the uniform sheen and the absence of rough edges, suggesting thorough processing in a vibratory or rotary tumbler. Minor microscopic surface scratches may be present due to handling, but overall the condition is excellent.

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