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What Is the Impact of Volcanic Ash on the Ozone Layer?
What Is the Impact of Volcanic Ash on the Ozone Layer?

Volcanic eruptions could result in ozone depletion until 2070 or beyond, despite declining concentrations of human-made CFCs. The next...

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California Rainbow Obsidian Is a Natural Wonder (PHOTOS)
California Rainbow Obsidian Is a Natural Wonder (PHOTOS)

Colorful obsidian. Photo: Joseph Martin Obsidian is dense volcanic glass, usually rhyolite in composition and typically black in col...

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Supervolcanoes: A Key to America's Electric Future?
Supervolcanoes: A Key to America's Electric Future?

Mica greisen with anomalous lithium content Stanford researchers show that lake sediments preserved within ancient supervolcanoes can...

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Here's How to Make Perfect Diamonds in The Microwave
Here's How to Make Perfect Diamonds in The Microwave

 (Credit: Getty Images) Right now, odds are that one in every four diamonds on sale around the world is a blood diamond - mined in a ...

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World's Largest Volcanic Range May Lurk Beneath Antarctic Ice
World's Largest Volcanic Range May Lurk Beneath Antarctic Ice

Telefon Bay West Antarctica's vast ice sheet conceals what may be the largest volcanic region on earth, research has revealed. T...

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 Where Can You Find Emerald Crystals in The USA?
Where Can You Find Emerald Crystals in The USA?

Rough Emerald Emerald is a gemstone and a variety of the mineral beryl . Beryl is a rare mineral with a chemical composition of Be ...

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A Huge Gold Nugget Weighing Over 10kg Has Been Unearthed in Russia
A Huge Gold Nugget Weighing Over 10kg Has Been Unearthed in Russia

A HUGE gold nugget weighing more than one and a half STONE has been unearthed in Russia. An unnamed bulldozer operator was site level...

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This Could Be the Most Expensive Tourmaline Ever
This Could Be the Most Expensive Tourmaline Ever

Credit: Astro Gallery of Gems IS THIS RARE Mineral WORTH $1.2 MILLION? Long ago, below the surface of what we now call Brazil, a sle...

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 The Largest and Most Significant Black Crystal Ever Found
The Largest and Most Significant Black Crystal Ever Found

A mammoth 568 carats “The Eternal Flame” is the largest and most significant black crystal ever found. What makes it even rarer is its ...

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