mineral
Likely quartz cabochon in a ring
Quartz (SiO₂), possibly clear or milky quartz; identification is uncertain from the photograph
AI-generated identification · may be incorrectThe domed, polished stone appears translucent gray to clear with a vitreous luster. Quartz has Mohs hardness 7, a trigonal crystal structure, and no cleavage; the setting obscures diagnostic features.
Identified More mineral →
Explore Likely quartz cabochon in a ring in the encyclopedia →Identify your own rocks.
Get a report just like this from any photo, free.
Physical properties
The domed, polished stone appears translucent gray to clear with a vitreous luster. Quartz has Mohs hardness 7, a trigonal crystal structure, and no cleavage; the setting obscures diagnostic features.
Formation & geological history
Quartz forms in many igneous, metamorphic, and hydrothermal environments over a wide range of geological ages. The image does not establish the stone’s exact variety or origin.
Uses & applications
Cabochon gemstones are used in rings and other jewelry; quartz is also widely used in glassmaking and electronics.
Geological facts
The visible material may be a gemstone, but reflections, wear, or a transparent covering make visual identification uncertain.
Field identification & locations
Check an exposed area for hardness and natural inclusions; a gemological examination can distinguish quartz from glass or another stone. Quartz is found worldwide.
More like this
Other mineral specimens
Gneiss or Schist
Gneiss or Mica Schist with Garnet
Metamorphic
Sandstone (with potential mineral staining/concretions)
Arenite (SiO2 based)
sedimentary
Epidote
Epidote | Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH)
metamorphic
Pegmatite with Tourmaline and Quartz
Igneous Pegmatite
igneous
Granite
Granite (Phaneritic intrusive igneous rock)
igneous
Septarian Pebble
Septarian nodule / Concretion
sedimentary