gemstone

Red garnet cabochon ring

Garnet-group silicate, likely almandine–pyrope solid solution (X₃Y₂(SiO₄)₃)

AI-generated identification · may be incorrect

The central red translucent stone is likely garnet, with vitreous luster and no cleavage; garnet hardness is about 6.5–7.5 Mohs and specific gravity 3.5–4.3. The surrounding metalwork appears to be silver, but the image cannot confirm the stone variety or treatments.

Identified August 15, 2026More gemstone →

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Physical properties

Formation & geological history

Garnet forms in metamorphic rocks such as schist and gneiss, or in some igneous rocks and alluvial deposits; geological ages vary widely from Precambrian to recent. Red gem garnets commonly come from India, Mozambique, Tanzania, Madagascar, Sri Lanka, and the United States.

Uses & applications

Used in jewelry and abrasives; this specimen is mounted as a decorative ring, probably in sterling silver. Value depends strongly on garnet species, clarity, color, cut, silver hallmark, and craftsmanship.

Geological facts

Garnets are a mineral group rather than one single mineral, and most varieties lack cleavage, helping them resist wear. The bright internal reflections may result from faceting, inclusions, or surface polish.

Field identification & locations

Identify garnet by its saturated red color, high luster, lack of cleavage, and hardness; a refractometer, specific-gravity test, or laboratory analysis is needed to separate garnet from ruby, spinel, or glass. Common specimens are inexpensive, while fine color-change or demantoid garnets are scarce.