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Top 10 gem­stones facts

Selected as the most interesting among minerals related questions in
Minerals quiz
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How can you cut a diamond?
Using a diamond. Diamond is the hardest substance in the world. Hence it can be cut only by using a diamond.
Shruthi Srinivasan
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materials facts
What colour is emerald colour a shade of?
Green. The name derives from the Greek smaragdos (as well as Lat. smaragdus - green). It refers to the characteristic colour of emerald stones.
Paweł Kołodziejczyk
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colors facts
What colour is sapphire colour a shade of?
Blue. The name of the colour comes from sapphire, a blue variety of the corundum.
Paweł Kołodziejczyk
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colors facts
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