General Knowledge Questions and Answers
Extensive Collection of General Knowledge Questions.
Showing posts with label
Gemstone
.
Show all posts
Showing posts with label
Gemstone
.
Show all posts
What kind of gemstone is "Star of Bombay"?
<< Click for Answer >>
What is a mineral composition of a Ruby?
Answer:
Corundum with Chromium Impurities
Which gemstone has the highest value per carat?
Answer:
Ruby
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