gemology
Related Words
gemgemstonemineralogycrystallographygeologydiamondrubysapphireemeraldtopazamethystopalgarnetturquoiseperidotcitrinezircontourmalineaquamarinejadepearlcrystalmineralfacetcutcaratclaritycolorlusterbrilliancerefractiondispersionhardnessinclusionfracturecleavagesyntheticnaturaltreatmentirradiationdiffusionlapidarypolishinggrindingjewelryjewelerappraisalcertificationgradinglouperefractometermicroscopeoredepositminingquartzcorundumberylfeldsparspinelagateonyxmalachiteazuritepyritehematiteobsidianamberlusterlesstransparencyopacityfluorescencepleochroismbirefringencelatticesymmetryisotopeelementcompound