Why are rubies red and emeralds green? Their colors come from the same metal in their atomic structure
The colors of rubies and emeralds are so striking that they define shades of red and green—ruby red and emerald green. But ...
Rubies and emeralds get their colours from a common metal
Both rubies and emeralds are minerals, which is a type of rock with a consistent chemical composition and a highly ordered ...
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Why are rubies red, emeralds green?
One feature of compounds made with transition metals is their intense colour. There are many examples in nature, including ...
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A Quick And Easy Recipe For Synthetic Rubies
Like their gemstone cousin the sapphire, rubies are just a variety of corundum, or aluminum oxide ... was rewarded with a large, deep pink ruby. This looks like a fun, quick little project ...
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What makes gemstones so brilliantly colored — spoiler alert, it’s physics
Rubies are a red variety of the mineral corundum, which is essentially aluminum ... The intensity of a ruby’s red color can vary based on the concentration of chromium. In fact, the most prized ...