"corundum" in Chinese (Traditional)
剛玉
Definition
剛玉是一種非常堅硬的礦物,由氧化鋁組成,常被用作磨料。當它透明且有顏色時,可成為紅寶石和藍寶石等寶石。
Usage Notes (Chinese (Traditional))
「剛玉」多用於礦物學和材料科學的專業場合,日常生活鮮少使用。珠寶界多以紅寶石、藍寶石稱其寶石類型。
Examples
Corundum is one of the hardest natural minerals.
**剛玉**是最堅硬的天然礦物之一。
The gemstone ruby is actually red corundum.
紅寶石其實是紅色的**剛玉**。
Corundum is used in some types of sandpaper.
**剛玉**被用於某些類型的砂紙。
Did you know sapphires are just blue corundum?
你知道藍寶石其實就是藍色的**剛玉**嗎?
Industrial drills often use synthetic corundum for cutting.
工業鑽頭常使用人造**剛玉**進行切割。
Collectors sometimes look for rare colors of corundum besides rubies and sapphires.
收藏家有時會尋找除了紅寶石和藍寶石之外的稀有顏色**剛玉**。