Relating to or involving the study of gems, their properties, origins, and quality assessment.
From gemology (from Latin gemma 'gem' + Greek -logia 'study of') + -ical suffix meaning 'of or relating to.' The word combines ancient Latin gem terminology with Greek scientific suffixes that emerged during the Renaissance.
Gemological laboratories use spectroscopy—the same technology that lets astronomers analyze distant stars—to identify whether a diamond is natural, lab-created, or synthetic, revealing the gem's cosmic story in Earth's rocks.
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