Carol Potenza
Periodic Table of DEATH and Mystery Podcast
Aluminum, Sapphire Glass, and the Periodic Table of Death and Mystery
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Aluminum, Sapphire Glass, and the Periodic Table of Death and Mystery

Sapphires are made up of a mixture of aluminum and oxygen slightly contaminated with titanium and iron. Get rid of the contamination, and aluminum oxide is completely transparent. That’s right: Transparent aluminum. Now where have we heard that term before?

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