corundum
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The Bronco mane and eyeball were created from orange sapphires while the head features pave-set diamonds and custom-cut corundum blue stone.
From Washington Times ● Jun. 12, 2016
For example apatite is about three times harder than fluorite and diamond is three times harder than corundum.
From Textbooks ● Jan. 1, 2015
Some of these minerals may very well be our very own corundum, with its trace elements.
From Scientific American ● Apr. 14, 2012
On the Mohs scale, which measures minerals’ hardness from 1 to 10, corundum ranks at 9.
From BusinessWeek ● May 31, 2011
As found native it is called corundum, when crystallized ruby or sapphire, when amorphous emery.
From The New Gresham Encyclopedia. Vol. 1 Part 1 A to Amide by Various
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