You know , bathysphere windows ? Those are sapphires .

你知道，潜水窗就是用蓝宝石造的.

Sanr watch set with black sapphires & diamonds .

手表镶有黑宝石及钻石。

Rubies and sapphires mineralogy names are corundum .

红宝石和蓝宝石矿物学名都是刚玉。

September birthstone jewelry is commonly seen with sapphires .

9月的诞生石首饰是常见的蓝宝石。

Well-known sapphires have been more easily verified .

著名的蓝宝石更容易被核实。