Jet
What is Jet?
Jet is a black-colored gemstone that is a type of lignite coal and inspired the phrase "jet black". It was used by the Romans for creating jewelry, and the most famous type of jet was found in Whitby, England. It was often used during times of grieving. Queen Victoria wore it after Prince Albert's death.
Uses & Applications
Jet was often worn by the ancient Romans, but its use dates back to the Neolithic period. It is still popular in jewelry today. Most notably, the Roman author Pliny the Elder is said to have always worn the stone. The hard rock is also carved into small sculptures and figurines. Jet is occasionally worn by some members of the British Royal family. Its popularity increased after it was presented as a gift to Queen Elizabeth II.
Healing Properties
Jet is a grounding stone that resonates with the Third Eye chakra. Used during meditation, its calming energy helps to heal emotions and provide spiritual guidance. It is often used to help with goal setting, motivation, and achievement. It is a powerful stone that can be worn or kept in the home for greater balance and harmony.
Optical Properties
- Refractive Index
- 1.640-1.680
- Pleochroism
- None
- Optical Character
- Isotropic
Jet Market Value Calculator
Estimate the market value of Jet using size, quality, and finish. This preview calculator is for quick context and is not a formal appraisal.
Jet Localities Map
See where Jet is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
The Meaning
Since ancient times, jet was considered a stone of protection. For example, the ancient Romans believed that the stone could ward off evil spirits. Travelers wore the stone on their journeys and warriors used it as a talisman during their battles.
Associated Chakras
Quick Facts
Physical Properties
- Color
- Black, dark brown
- Hardness (Mohs)
- 2.5 - 4
- Density
- 1.12 - 1.52 g/cm³
- Streak
- Brown
- Luster
- Sub-metallic, Vitreous, Dull
- Crystal System
- Amorphous
Chemical Properties
- Elements
- C, O, S, H

Identify Jet Instantly
- Snap a photo, get instant results
- 6,700+ rocks, minerals & crystals
- Discover collecting spots near you