Sapphire is September's birthstone. This gem belongs to the corundum family. Corundum is inherently colorless, according to the International Gem Society. So, each stone's elemental structure ...

In the real world, several attempts have been made to produce a transparent material strong enough to do the job that Star ...

Glittering blue sapphires, so suggestive of piercing cold, have remarkably hot origins deep beneath the surface. For years, sapphires been turned up in volcanic deposits such as the Volcanic Eifel, ...

The researchers discovered that the surface undergoes rearrangement, allowing aluminum atoms to penetrate and form chemical ...

71–72; Summer 2012 GNI, pp. 154–155). The latest is a dark violetish blue carving of the early Jain spiritual leader Lord Mahaveera, submitted as sapphire (figure 1), that turned out to be corundum ...

Inclusions such as olivine, garnet, and chromite are more common, while others such as kyanite, zircon, and corundum (Al 2 O 3) can be quite rare. Regardless of their rarity, diamond inclusions are ...

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 ...

Aluminum oxide (Al2O3), also known as alumina, corundum, sapphire, or ruby, is one of the best insulators used in a wide range of applications: in electronic components, as a support material for ...

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 ...

Corundum is an English word that is used in many sentences in different contexts. Corundum meaning in Urdu is a کرند - Karand. Corundum word is driven by the English language. Corundum word meaning in ...

Each month has at least one representative gemstone. Here's what you need to know about September's birthstone.