Corundum, a crystalline form of aluminum oxide, harbors within its structure the gemstones known to the adoring public as ...

The 2021 upgraded version of the Corundum Lawn Mower Blade Sharpener, available exclusively on Amazon, is a savvy purchase ...

THE three works cited below give much new and valuable information concerning the mode of occurrence, the processes of mining, and the uses of corundum. As the mineral is of growing economic value ...

Rubies are formed of a mineral called corundum, comprised of aluminum oxide. The red color is caused by traces of chromium. Corundum also forms sapphire in many colors, which generally come from ...

Like their gemstone cousin the sapphire, rubies are just a variety of corundum, or aluminum oxide. Where sapphire gets its blue tint mainly from iron, rubies get their pink to blood-red hue from ...

The Fallbrook Gem and Mineral Society will host Dr. Rachelle Turnier, Thursday, May 9, 6:30-8:30 p.m. Turnier will speak on "From Montana to Mogok: a closer look at the enigmatic geological settings ...

We headed to the Miami Grand Prix to check out Moser’s new Streamliner Cylindrical Tourbillon Skeleton, a limited edition of 20 priced at $98,000.

Level 10 is a diamond, which can only be scratched by another diamond. 9H is equivalent to corundum. Essentially, a 9H rating ...

Swiss watchmaker H.Moser & Cie collaborated with Alpine F1 Team to launch a limited edition model of their Streamliner ...

These are the best Samsung Galaxy A15 5G cases you can find right now. There is something for every type of user here.

including 30 transparent bearing jewels (synthetic corundum instead of the more typical ruby); beautifully polished and decorated German silver plates and bridges; and an exceptional degree of ...