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![corundum](/view/covers/Authority.jpg)
corundum
![gems](/view/covers/Authority.jpg)
gems
![precious stone](/view/covers/Authority.jpg)
precious stone
![ruby](/view/covers/Authority.jpg)
ruby
![sapphire](/view/covers/9780199546091.jpg)
sapphire Quick reference
World Encyclopedia
Transparent to translucent gemstone variety of corundum. It has various colours produced by impurities of iron and titanium, the
![sapphire](/view/covers/9780191726880.jpg)
sapphire Quick reference
A Dictionary of the Bible (2 ed.)
The second jewel in the *walls of the new Jerusalem (Rev. 21: 19); and in *Ezekiel's *
![sapphire](/view/covers/9780191727146.jpg)
sapphire Quick reference
The Concise Oxford Dictionary of Art Terms (2 ed.)
A rich blue gemstone, the name comes from the Greek word for blue. Sapphire is a variety of the corundum mineral, as is ...
![sapphire](/view/covers/9780191727047.jpg)
sapphire Quick reference
The Oxford Dictionary of Phrase and Fable (2 ed.)
a transparent precious stone, typically blue, which was the second jewel in the walls of the New Jerusalem, as described in Revelations 21:19....