Plus, the modern alternative July birthstone that has emerged.
The colors of rubies and emeralds are so striking that they define shades of red and green—ruby red and emerald green. But have you ever wondered how they get those colors? One feature of compounds ...
Scientists at the Institute of Minerals and Materials Technology (IMMT) found a new way to improve color, clarity and luster of red ruby — microwaves. Rubies are one of the world's most popular ...
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