英语释义
1. a brittle and more or less transparent usually red silicate mineral that has a vitreous luster, occurs mainly in crystals but also in massive form and in grains, is found commonly in gneiss and mica schist, and is used as a semiprecious stone and as an abrasive
2. a variable color averaging a dark red
3. a dark red stone that is used in jewelry
4. a dark red color
5. a deep red mineral used as a gem