Jasper Slab Appraisal

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Polished Yellow Mookaite Jasper Stone

This item is a small, tumble-polished semi-precious gemstone, specifically identified by its coloration and patterning as yellow mookaite jasper. The stone measures approximately 2 to 3 centimeters in diameter, fitting comfortably between the fingertips of an adult hand. Physically, the specimen exhibits a warm color palette dominated by mustard yellows, golden ochres, and faint earthy brown veining throughout its structure. The material appears to be a variety of radiolarian chert, known for its fine-grained, opaque density and ability to take a high-gloss finish. The surface has been mechanically tumbled to achieve a smooth, rounded, vitreous luster that reflects light brightly across its curved planes. Notable features include intricate, organic dendritic-like patterns and internal fracturing that has been healed by silicious infusion, creating a unique aesthetic character. In terms of condition, the stone appears well-maintained with no visible chips or major surface abrasions, though minor natural pitting inherent to the jasper's formation may be present. There are no maker's marks, as this is a natural mineral product shaped by industrial lapidary processes rather than hand-carving. The craftsmanship is evident in the uniform polish and the selection of a highly figured raw nodule. As a natural geological specimen, its age is millions of years, though the lapidary work is contemporary. This piece is representative of high-quality decorative stones often used in metaphysical practices, mineral collections, or as cabochon rough for jewelry making.

Estimated Value

$4.00 - $8.00

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