The Conversation on MSN10d
Why are rubies red and emeralds green? Their colors come from the same metal in their atomic structure
Crystal field theory makes predictions about how a transition metal ion's structure is affected by the other atoms ...
National Geographic news7y
Minerals and Gems
More than 4,000 naturally occurring minerals—inorganic solids that have a characteristic chemical composition and specific crystal structure ... of a mineral called corundum, comprised of ...
bangaloremirror.indiatimes9dOpinion
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 ...
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 ...