Synthetic gem siv lead ua
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Nto ua txoj kev ntawm titanium-doped sapphire siv lead ua laser rods
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GGG siv lead ua hluavtaws gemstone gadolinium gallium garnet hniav nyiaj hniav kub kev cai
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Synthetic Emerald Green Sapphire Gemstone, Ib Leeg Crystal Al2O3 KhoomHigh Mohs Hardness ntawm 9, Zoo meej rau cov hniav nyiaj hniav kub zoo
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Lab-Tsim Ruby Rough Stone vivid liab Internally Flawless Rau Kev Tsim Khoom Siv
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Lilac YAG raw khoom hmoov xim liab hauv Tshuag
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Ruby npas siab hardness 9.0 ntawm 0.30MM txog 5.0MM sapphire bearing
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Paraiba Blue lab-ua raw genstone YAG khoom Lake ntsuab
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Fluorescent daj gemstone khoom Yellow luag tuaj yeem ua tiav
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Royal xiav Aquamarine Cornflower sapphire 99.999% Al2O3 Paraiba
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Al2O3 99.999% kub daj champagen sapphire khoom corundum
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Square Ti: Sapphire qhov rais qhov ntev 106 × 5.0mmt Doped Ti3 + lossis Cr3 + ruby khoom
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Lab-tsim rubies / rubies muag Ruby # 5 Al2O3