noun
- A microporous aluminosilicate mineral of the zeolite group, typically white or colorless, used in water purification and industrial applications.
Usage: technical; mineralogy
Examples
- Heulandite is commonly found in volcanic rocks and is valued for its ion-exchange properties.
- The water filter contains heulandite to remove impurities and soften hard water.
- Geologists identified heulandite crystals in the basalt sample under the microscope.
- Heulandite belongs to the stilbite subgroup of zeolite minerals.
- Industrial applications of heulandite include air purification and soil amendment.