IPA: /ˌdʒɛməˈlɒdʒɪkəl/
KK: /dʒɛməˈlɒdʒɪkəl/
Relating to the study of gemstones and their properties.
She studied gemological techniques to better understand the value of different stones.
Gemological → It is formed from "gem" (from Latin *gemma*, meaning a precious stone or jewel) and "-logical" (from Greek *logikos*, meaning pertaining to reason or study). The word "gemological" refers to the study or science of gems and precious stones.
Think of the word 'gem' for precious stones and 'logical' for study — together, they help you remember that gemological is about the study of gems.