
gemstone
Diamond
C (Carbon)
AI-generated identification · may be incorrectHardness 10, typically colorless to pale yellow, adamantine luster, isometric crystal structure.
Identified More gemstone →
Explore Diamond in the encyclopedia →Identify your own rocks.
Get a report just like this from any photo, free.
Physical properties
Hardness 10, typically colorless to pale yellow, adamantine luster, isometric crystal structure.
Formation & geological history
Formed deep in the Earth's mantle under extreme heat and pressure, brought to the surface by deep-source volcanic eruptions.
Uses & applications
Used primarily in jewelry and industrial cutting tools.
Geological facts
Diamond is the hardest known natural substance.
Field identification & locations
Identified by its extreme hardness, brilliant luster, and high dispersion. Commonly found in kimberlite pipes or alluvial deposits.
More like this
Other gemstone specimens
Ammolite
Ammolite (Biogenic Aragonite with trace elements; fossils of Placenticeras meeki and Placenticeras intercalare)
mineral
Gemstone Ring
N/A - Set piece of jewelry, likely Amethyst or Garnet with Diamond or CZ
gemstone
Amber
Succinite (Organic Gemstone)
mineral
Diamond and Gold Jewelry
Carbon (Diamond) / Au (Gold)
gemstone
Red Jasper
Silicon Dioxide (SiO2) with Hematite inclusions
sedimentary
Cubic Zirconia (simulant) or Diamond
ZrO2 (Cubic Zirconia) or C (Diamond)
gemstone