To learn more about gems select a gemstone variety. (See also alternative names of minerals)
AlexandriteAmethystAmetrineAndalusiteAndesineApatiteAquamarineBenitoiteBerylChrysoberylCitrineDanburiteDemantoidDiamondDiopsideEmeraldEnstatiteFancy DiamondFluoriteGarnet color changeGarnet malaiaGarnet MaliHessoniteIdocraseIoliteKornerupineKunziteKyaniteLabradoriteMexican opalOpalPeridotPetalitePhenakiteQuartzRhodoliteRubySapphireScapoliteSillimaniteSinhaliteSpessartiteSphaleriteSpheneSpinelSunstoneTaaffeiteTanzaniteTopazTourmalineTourmaline bi-colorTourmaline ParaibaTourmaline rubeliteTsavoriteZircon