Blue-Green Teardrop Cabochon Gemstone Appraisal
Category: Gemstone Cabochon
Description
This item is a teardrop-shaped cabochon gemstone, likely intended for use in jewelry. It measures approximately 2-3 centimeters in length and is wider at one end, tapering towards the other. The gemstone exhibits a vibrant, semi-translucent blue-green color, suggesting it could be a variety of quartz or chalcedony like chrysoprase or perhaps even glass. The surface is smoothly polished to a high luster. One end of the cabochon shows a natural edge with visible inclusions or matrix material in shades of brown and white, indicating it was cut from raw stone. These inclusions are concentrated at this end and appear as dark, irregular specks embedded in a milky-white and light brown crystalline structure. The polish on the main body of the stone is consistent and without noticeable scratches or chips on the top surface. The reverse side is not visible. The overall craftsmanship of the cut and polish on the green-blue portion appears good, demonstrating a smooth, regular dome shape. The presence of the natural matrix at one end suggests a deliberate choice to showcase the origin of the material.
Appraisal Report
Based on my visual examination of the provided image, this is a striking blue-green teardrop-cabochon gemstone. Its color and semi-translucence suggest it could be chrysoprase or a similar material. The polish appears good, with no major chips or scratches visible on the domed surface. A significant feature is the inclusion of the natural matrix at one end, which appears as brown and white crystalline material. While this aspect adds to the unique character and indicates the stone's origin, it also limits the usable gem material portion. Based on the apparent material (likely a form of chalcedony or quartz), the size (estimated 2-3 cm), and the presence of significant matrix, the market value is moderately modest for a loose cabochon. Comparable cabochons of chrysoprase or similar material without significant matrix in this size range typically sell for around $25-$40. However, the artistic inclusion of the rough matrix at one end creates a unique, 'earthy' aesthetic which may appeal to certain designers or collectors, potentially increasing its desirability within a niche market. Demand for unique, naturalistic gemstones has been growing. Conversely, the uncertainty of the precise material without testing, and the large proportion of matrix, limit the higher end of the value range. Full authentication of the material (e.g., distinguishing chrysoprase from dyed chalcedony or even glass) and confirmation of its natural origin would require in-person examination, potentially specific gravity testing, refractometer readings, and microscopic analysis of the inclusions. Provenance documentation would also provide valuable context.
Appraisal Value
$30-50