
gemstone
Red gemstone ring, likely garnet or synthetic ruby
Possibly almandine garnet (Fe₃Al₂(SiO₄)₃) or corundum/ruby (Al₂O₃); image alone cannot distinguish
AI-generated identification · may be incorrectFaceted, transparent deep-red stone with vitreous luster; garnet hardness 6.5–7.5 Mohs, ruby 9. Crystal structure is typically cubic for garnet or trigonal for ruby, with no obvious cleavage.
Identified More gemstone →
Explore Red gemstone ring, likely garnet or synthetic ruby in the encyclopedia →Identify your own rocks.
Get a report just like this from any photo, free.
Physical properties
Faceted, transparent deep-red stone with vitreous luster; garnet hardness 6.5–7.5 Mohs, ruby 9. Crystal structure is typically cubic for garnet or trigonal for ruby, with no obvious cleavage.
Formation & geological history
Natural garnet forms in metamorphic rocks, while ruby forms in aluminum-rich metamorphic or igneous environments; both range from ancient to recent geological ages. The setting appears human-made and may contain a synthetic or glass imitation.
Uses & applications
Used primarily in jewelry; ruby is highly valuable, garnet is common and moderately priced. The metal setting may be silver, gold, or plated alloy.
Geological facts
A loupe, refractive-index measurement, inclusions, and hardness testing are needed for reliable identification; red glass and synthetic corundum are frequent imitations.
Field identification & locations
Inspect inclusions and color zoning, and avoid scratch testing on jewelry. Common sources include India, Mozambique, Myanmar, Sri Lanka, and East Africa, depending on the gemstone.
More like this
Other gemstone specimens
Gemstone Ring
N/A - Set piece of jewelry, likely Amethyst or Garnet with Diamond or CZ
gemstone
Ammolite
Ammolite (Biogenic Aragonite with trace elements; fossils of Placenticeras meeki and Placenticeras intercalare)
mineral
Topaz
Al2SiO4(F,OH)2
mineral
Amber
Succinite (Organic Gemstone)
mineral
Diamond and Gold Jewelry
Carbon (Diamond) / Au (Gold)
gemstone
Red Jasper
Silicon Dioxide (SiO2) with Hematite inclusions
sedimentary