Ruby

A ruby is a pink to blood-red gemstone, a variety of the mineral corundum (aluminium oxide). The red color is caused mainly by the presence of the element chromium. Its name comes from ruber, Latin for red. Other varieties of gem-quality corundum are called sapphires. The ruby is considered one of the four precious stones, together with the sapphire, the emerald, and the diamond.

Prices of rubies are primarily determined by colour. The brightest and most valuable "red" called pigeon blood-red, commands a huge premium over other rubies of similar quality. After color follows clarity: similar to diamonds, a clear stone will command a premium, but a ruby without any needle-like rutile inclusions will indicate that the stone has been treated. Cut and carat (size) also determine the price.

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Are you looking for the gem or the drop of the Lady of the Lake's blood?

the gem

the Lady of the Lake's ruby

or perhaps a ring with a ruby?

Silver Ruby Ring

Silver Ruby Signet Ring

Gold Ruby Signet Ring

This page uses content from Wikipedia. The original article was at Ruby. As with Witcher Wiki, the text of Wikipedia is available under the GNU Free Documentation License.