gemstone
Diamond
C
AI-generated identification · may be incorrectHardness: 10, Color: Colorless, Luster: Adamantine, Crystal structure: Cubic, Cleavage: Octahedral, Specific gravity: 3.52
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, Color: Colorless, Luster: Adamantine, Crystal structure: Cubic, Cleavage: Octahedral, Specific gravity: 3.52
Formation & geological history
Formed deep in the Earth's mantle under extreme pressure and temperature, brought to the surface by volcanic eruptions in rocks called kimberlites and lamproites
Uses & applications
Primarily used in jewelry for its exceptional brilliance and durability; also used in industrial applications for cutting and polishing
Geological facts
Diamonds are the hardest known natural material on Earth. The most famous diamond is the Hope Diamond.
Field identification & locations
Identify by its hardness (scratches all other minerals), high refractive index, and typical cubic crystal shape (when uncut). Found in locations such as South Africa, Russia, Botswana, and Canada.
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
Diamond and Gold Jewelry
Carbon (Diamond) / Au (Gold)
gemstone
Red Jasper
Silicon Dioxide (SiO2) with Hematite inclusions
sedimentary
Amber
Succinite (Organic Gemstone)
mineral
Cubic Zirconia (simulant) or Diamond
ZrO2 (Cubic Zirconia) or C (Diamond)
gemstone