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Experts Discover Ancient Life Locked Inside a 2.5 Billion-Year-Old Ruby as a Residue
Researchers observed that the ruby sample contained graphite, a mineral made out of pure carbon. Further examination proved that the mineral was a remnant of ancient life. Findings regarding the ...
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Why are rubies red and emeralds green? Their colors come from the same metal in their atomic structure
Rubies are mainly made up of the mineral corundum ... about 1% of the aluminum in the corundum or beryl crystal when a ruby or emerald forms underground at a high temperature and pressure.