1. a white or colorless mineral consisting of hydrated sodium calcium borate, often found in fibrous masses with optical properties
Usage: mineralogy

Examples

• The geologist identified the specimen as ulexites based on its fibrous structure.
• Ulexites crystals can transmit light along their length like fiber optic cables.
• The mineral collection included a sample of ulexites from the California desert.
• Children were amazed when text appeared to float on top of the ulexites specimen.
• Ulexites deposits are commonly found in dry lake beds and desert regions.
• The optical properties of ulexites make it popular among mineral collectors.