Relating to gemmology; concerning the study of gems, precious stones, and their properties, composition, and identification.
From gemmology (the study of gems) + -ical (adjective suffix). Gemmology comes from Latin gemma (gem) + Greek -logia (study of). The -logical form emphasizes the scientific and systematic nature of the discipline.
Gemmology became a rigorous science in the modern era—gemologists developed technologies to identify synthetic diamonds and detect treatments, turning something romantic (jewel collecting) into precise forensic work.
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