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What makes gemstones so brilliantly colored — spoiler alert, it’s physics
But let’s be a bit more specific. What gives gemstones colors, or rather, what changes the way they absorb and reflect light so that they come out in so many different, striking colors?
Gemological Institute of America12d
Analysis of Gemstones at GIA Laboratories
GIA’s laboratories use advanced instrumentation and research to deliver accurate grading, identification, and origin ...
Houston Chronicle15d
Why are rubies red and emeralds green? Their colors come from the same metal in their atomic structure
One feature of compounds made with transition metals is their intense color. There are many examples in nature, including gemstones and paint pigments. Even the color of blood comes from the protein ...
The Conversation15d
Why are rubies red and emeralds green? Their colors come from the same metal in their atomic structure
One feature of compounds made with transition metals is their intense color. There are many examples in nature, including gemstones and paint pigments. Even the color of blood comes from the ...