gemstone

Smoky quartz ring

Quartz (SiO₂), likely smoky quartz; the surrounding stones and metal cannot be identified reliably from the image.

AI-generated identification · may be incorrect

The center stone appears brown and transparent with a faceted, polished cut. Quartz has Mohs hardness 7, a vitreous luster, and a hexagonal crystal structure; ring setting obscures cleavage and specific gravity.

Identified September 26, 2026More gemstone →

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Physical properties

Formation & geological history

Smoky quartz forms in silica-rich pegmatites and hydrothermal veins, with its brown color commonly related to natural irradiation of trace impurities. Its age depends on the source deposit and cannot be determined from the photo.

Uses & applications

Faceted smoky quartz is used in jewelry and collected as a gemstone; quartz also has extensive industrial uses.

Geological facts

Smoky quartz is a colored variety of quartz, not a distinct mineral species.

Field identification & locations

The image shows a mounted, faceted brown gemstone consistent with smoky quartz, but visual identification is uncertain; gem testing or seller documentation would confirm it. Quartz occurs worldwide, including Brazil, Scotland, and the United States.