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corundum
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Corundum of the variety sapphire from Ceylon pegmatite
Quizzes
Basalt sample returned by Apollo 15, from near a long sinous lunar valley called Hadley Rille. Measured at 3.3 years old.
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corundum: Facts & Related Content

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Facts

Also Known As crystalline aluminum oxide

Photos

Corundum of the variety sapphire from Ceylon
pegmatite
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Related Topics and References

Topics

Related Quizzes and Features

Quiz
Basalt sample returned by Apollo 15, from near a long sinous lunar valley called Hadley Rille. Measured at 3.3 years old.
(Bed) Rocks and (Flint) Stones