1. a white or colorless zeolite mineral composed of hydrated sodium aluminum silicate, typically forming needle-like crystals
Usage: mineralogy

Examples

• The geologist identified natrolite crystals in the volcanic rock sample.
• Natrolite often occurs in cavities within basaltic rocks.
• The mineral collection featured a beautiful specimen of natrolite with its characteristic needle-like formation.
• Natrolite is commonly found in association with other zeolite minerals.
• The white natrolite crystals contrasted sharply against the dark host rock.