1. plural of kyanite; blue crystalline minerals composed of aluminum silicate, used in refractory materials and ceramics
Usage: mineralogy; geology

Examples

• The geologist collected several kyanites from the metamorphic rock formation.
• Kyanites are commonly found in high-pressure metamorphic environments.
• The ceramic factory uses kyanites to produce heat-resistant materials.
• These kyanites display the characteristic blue color and blade-like crystal structure.
• Industrial applications of kyanites include manufacturing spark plugs and porcelain.
• The museum’s mineral collection features several well-formed kyanites from different regions.