Even though emeralds and rubies are very different colors, they both have the same secret ingredient in their atomic ...

Both rubies and emeralds are minerals, which is a type of rock with a consistent chemical composition and a highly ordered ...

One feature of compounds made with transition metals is their intense colour. There are many examples in nature, including ...

silicon and oxygen. Beryl's crystal structure is more complicated than corundum's because of the additional elements in the formula, but each aluminum ion is again surrounded by six oxygen ions.