Tag: Corundum
Getting to Know Spinel
Spinel (magnesium aluminum oxide) forms beautiful crystals that are sometimes confused for the brilliant-red gem variety of corundum known as ruby. Unlike rubies, which...
Faceting Focus: Cutting a Brilliant Oval
By Jim Perkins
A round brilliant is often the first cut a new faceter learns. After that first cut, most become anxious to learn how...
Stones That Speak: Corundum Calls to Record-Holding Gem Carver
Editor's Note: This article was originally published in Rock & Gem in 2017, but was not placed on the site. With the passing of...
The Mind of a Mineral Collector
Editor's Note: The Rockhound Review is a space where guest contributors can weigh in on topics stirring within the rock, gem and mineral community...
Captivated by Corundum
By Antoinette Rahn
I don’t know if I’d call this specimen complex, but in casual lingo, I’d say ‘a lot is going on here.’
That’s part...
