Richard II had a coat, valued at thirty thousand marks, which was covered with balas rubies.
理查德二世有一件价值三万马克的外套,上面镶嵌着巴拉斯红宝石。
单词 | Balas Ruby |
释义 |
Balas Ruby
原声例句
道林·格雷的画像 Richard II had a coat, valued at thirty thousand marks, which was covered with balas rubies. 理查德二世有一件价值三万马克的外套,上面镶嵌着巴拉斯红宝石。
中文百科
尖晶石 Spinel(重定向自Balas Ruby)
![]() ![]() ![]() 尖晶石是一类矿物的总称,具有通式XY2O4,为等轴晶系,氧原子为立方紧密堆积,X与Y占晶格中的部分八面体和四面体空隙。X、Y可以是二价、三价或四价的阳离子,通常为镁、锌、铁、锰、铝、铬、钛和硅。尖晶石中的氧也可为其他氧族元素所替代。 尖晶石也可指这一类化合物中的一种,镁铝尖晶石,成分为MgAl2O4。
英语百科
Spinel 尖晶石(重定向自Balas Ruby)
![]() ![]() ![]() Spinel /ˈspɪnɛl/ is the magnesium aluminium member of the larger spinel group of minerals. It has the formula MgAl2O4 in the cubic crystal system. Its name comes from Latin "spina" (arrow). Balas ruby is an old name for a rose-tinted variety. |
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