1. A mineral consisting of a sulfate of potassium and magnesium, K₂Mg₂(SO₄)₃, found in evaporite deposits and used as a source of potassium for fertilizers.
Usage: technical; mineralogy

Examples

• Langbeinite is an important ore mineral in potash mining operations.
• The crystal structure of langbeinite makes it valuable for industrial applications.
• Deposits of langbeinite are found in evaporite formations around the world.
• Langbeinite can be processed to extract potassium sulfate for agricultural use.