Gilsonite Natural Bitumen Gilsonite Natural bitumen in drilling, asphalt, ink, paint, and foundry Gilsonite is a naturally occurring, solid, black, lightweight organic material that originates from the solidification of petroleum. The dull, black appearance of weathered gilsonite resembles coal, whereas the surface of freshly broken gilsonite is shiny and resembles obsidian. Gilsonite Natural Bitumen is distinguished […]
