1. of or relating to gemology, the science and study of gems and precious stones
Usage: technical; formal

Examples

• The gemological institute certified the diamond's authenticity and quality.
• She pursued a gemological career after earning her degree in mineralogy.
• Gemological analysis revealed the emerald was of exceptional clarity.
• The museum's gemological collection includes rare specimens from around the world.
• He attended a gemological conference to learn about new testing techniques.