Sapphire | 農藥百科
![Sapphire](https://i.imgur.com/WMTbIbA.jpg)
Sapphireisapreciousgemstone,avarietyofthemineralcorundum,consistingofaluminiumoxidewithtraceamountsofelementssuchasiron,titanium, ...
![Sapphire](https://i.imgur.com/WMTbIbA.jpg)
Gem variety of corundum
Main sapphire-producing countriesSapphire is a precious gemstone, a variety of the mineral corundum, consisting of aluminium oxide (α-Al2O3) with trace amounts of elements such as iron, titanium, cobalt, lead, chromium, vanadium, magnesium, boron, and silicon. The name sapphire is derived via the Latin sapphirus from the Greek sappheiros (σάπφειρος), which referred to lapis lazuli.[2] It is typically blue, but natural "fancy" sapphires also occur in yellow, purple, orange, and green colors; "parti sapphires" show two or more colors. Red corundum stones also occur, but are called rubies rather than sapphires.[3] Pink-colored corundum may be classified either as ruby or sapphire depending on locale. Commonly, natural sapphires are cut and polished into gemstones and worn in jewelry. They also may be created synthetically in laboratories for industria...
SAPPHIRE Technology Limited | 農藥百科
sapphire中文(繁體)翻譯:劍橋詞典 | 農藥百科
sapphire | 農藥百科
搜尋結果 | 農藥百科
Sapphire | 農藥百科
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