Mineral Factbook

Minerals A–Z Identify Elements Classification Sources & methods

Jet

Mineraloid

Jet is gem-quality lignite. It is not an IMA-recognized mineral species.

Photos

Jet specimen photo — Saim Munib · CC BY 4.0 · Commons

Jet specimen photo — Ahanger HOBO · CC BY 4.0 · Commons

Structure data: Crystallography Open Database (CC0). Photos: Wikimedia Commons contributors, licensed as credited per image. Historical property data: Dana’s System of Mineralogy 6th ed. (1892) and appendices; Ford (1922). All public domain.