Summary
A ruby is a pink to blood-red colored gemstone, a variety of the mineral corundum (aluminium oxide). Its name comes from ruber, Latin for red.
Referring entries
Further reading
Sources
- Wikipedia
Regular posts from the diary of John Evelyn
A ruby is a pink to blood-red colored gemstone, a variety of the mineral corundum (aluminium oxide). Its name comes from ruber, Latin for red.
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