asphaltite
/ˈæsfɔltaɪt/
noun
- A dark, solid, naturally occurring form of asphalt that is hard and brittle, often used in paving or as a fuel.
- The miners extracted asphaltite from the ancient rock formations.
- Asphaltite is sometimes mixed with other materials to create durable road surfaces.
- In some regions, asphaltite was historically burned as a source of heat and light.