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Rubies
Tag: Rubies
Geology
Where Do Rubies Come From?
Geology Page
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July 2, 2016
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A ruby is a pink to blood-red colored gemstone, a variety of the mineral corundum (aluminium oxide). The red color is caused mainly by...
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Ancient penguin was as big as a (human) Pittsburgh Penguin
December 14, 2017
‘Ring around bathtub’ at giant volcano field shows movement of subterranean...
June 30, 2018
415-million-year-old malformed fossil plankton reveal that heavy metal pollution might have...
August 26, 2015
As lava hardens, a revelation bubbles up
March 20, 2017
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