Made from a synthetic version of the highly-prized sapphire gemstone, new transparent armor is lighter, thinner and pulverizes bullets on impact. Currently used by the military on powerful missile ...

A STUNNING purple gem potentially worth nearly £300 million has been found in Sri Lanka. The ‘Purple Star Sapphire’ weighs an incredible 3,563 carats – and may be the biggest natural star sapphire ...

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Forbes contributors publish independent expert analyses and insights. David Bressan is a geologist who covers curiosities about Earth. Jun 26, 2025, 02:26pm EDT Jun 27, 2025, 05:34am EDT A medieval ...

Sapphire is a corundum gemstone that has meaning, properties, and uses. Corundum gemstones are the crystalline form of aluminum oxide with traces of iron, titanium, vanadium, and chromium. Sapphire is ...

If you were to ask someone what the most famous engagement ring in the world is, let alone the most famous sapphire engagement ring, the answer would almost certainly be the engagement ring that ...

Look for durable gemstone engagement rings, such as those made with sapphires, rubies and emeralds. One thing to keep in mind: Sapphire, ruby, topaz, aquamarine and amethyst are some of the most ...