Rare, Mysterious Diamond Found in West Virginia
Rare, Mysterious Diamond Found in West Virginia

Jones diamond, photographed at Rich Creek Bank in Peterstown, 1968 Diamonds don't exist naturally in West Virginia, yet one of t...

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Thunderegg: Ordinary Rocks With Crystal Surprise Inside!
Thunderegg: Ordinary Rocks With Crystal Surprise Inside!

Thunderegg. Credit: Bill The Eggman A thunderegg (or thunder egg) is a nodule-like rock, similar to a filled geode, that is formed...

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Giant Tectonic Plate Under Indian Ocean is Breaking in Two
Giant Tectonic Plate Under Indian Ocean is Breaking in Two

This map shows the seafloor topography and deformation below it at a fracture in the Wharton Basin. This fracture likely formed when the ...

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Dumortierite Quartz: Rare Blue Quartz
Dumortierite Quartz: Rare Blue Quartz

Dumortierite in quartz From Brazil. Photo: GalaxSea. Dumortierite quartz is blue colored quartz containing abundant dumortierite inc...

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Fossils of 10m-long Dinosaur Found in Argentina
Fossils of 10m-long Dinosaur Found in Argentina

Photo: Raffaele Sergi Paleontologists from the Argentine Museum of Natural Sciences said on Monday they found the 70-million-year-ol...

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Pineapple Quartz
Pineapple Quartz

Pineapple Quartz from Madagascar. Photo: Ancient Mountain Treasures/ Instagram Pineapple Quartz is the name given to a silicon dioxid...

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First Animal 'Buckyballs' Discovered in 80-million-year-old Sea Lillies
First Animal 'Buckyballs' Discovered in 80-million-year-old Sea Lillies

Uintacrinus socialis from the Niobrara Formation, Kansas, United States. Image credit: James St. John / CC BY 2.0. Scientists from Th...

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New Lake Larger Than 5 Football Fields Forms in Hawaiian Volcano
New Lake Larger Than 5 Football Fields Forms in Hawaiian Volcano

Image: Joshua Stevens (NASA Earth Observatory) NASA has released images that document the growth of a water lake inside a huge crater...

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Hundreds of Towering Hydrothermal Chimneys Discovered on Seafloor Off Washington
Hundreds of Towering Hydrothermal Chimneys Discovered on Seafloor Off Washington

At the Endeavour Segment of the Juan de Fuca Ridge, about 350 kilometers (220 miles) northwest of Washington State, the seafloor is rip...

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Rare Blue Skarn
Rare Blue Skarn

Blue diopsidite skarn. Photo: James St. John Skarns are hard, coarse-grained metamorphic rocks that form by a process called metasom...

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'Gargantuan' Hail in Argentina May Have Smashed World Record
'Gargantuan' Hail in Argentina May Have Smashed World Record

A gargantuan hailstone that fell in Argentina may have set a world record, according to researchers. Credit: Victoria Druetta Once up...

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Sahara was Earth’s Most Dangerous Place 100 Million Years Ago
Sahara was Earth’s Most Dangerous Place 100 Million Years Ago

The giant predatory dinosaur Carcharodontosaurus eyes a group of Elosuchus — crocodile-like hunters — near a carcass. Image credit: David...

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Fault Lines in Utah Are Much Bigger Than Previously Thought, Study Says
Fault Lines in Utah Are Much Bigger Than Previously Thought, Study Says

Fault lines along the Wasatch front are much bigger than initially thought, according to a study by the Utah Department of Natural Resour...

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Earth’s Plate Tectonics Began Over 3.2 Billion Years Ago
Earth’s Plate Tectonics Began Over 3.2 Billion Years Ago

Prof. Roger Fu, an author on the study, poses on an outcrop of the Honeyeater Basalt in Western Australia’s Pilbara Craton. The ancient l...

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New Seismic Map of North America Reveals a Continent Under Tremendous Stress
New Seismic Map of North America Reveals a Continent Under Tremendous Stress

The new seismic stress map of North America. Image: Jens-Erik Lund Snee and Mark Zoback How do mountains form? What forces are need...

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World's Largest Quartz Crystal Cluster
World's Largest Quartz Crystal Cluster

Size: 3m wide, 3m high Weight: 14100kg World's largest quartz crystal cluster on display. Crystal gallery, Swakopmund, Namibia. Qu...

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Ammolite: Fossilized Ammonites Gem
Ammolite: Fossilized Ammonites Gem

Rare Giant Natural Ammolite From Alberta, Canada. Ammolite is an opal-like organic gemstone found primarily along the eastern slopes...

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Snowflake Obsidian
Snowflake Obsidian

Snowflake Obsidian. Photo: spiritrockshop Obsidian, a dark volcanic glass, has a smooth, glossy appearance. Snowflake obsidian is a t...

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The Most Detailed Look Inside the World's Oldest Dinosaur Eggs
The Most Detailed Look Inside the World's Oldest Dinosaur Eggs

The dinosaur eggs were uncovered in 1976 and contain three embryos. They are thought to be some of the oldest dinosaur eggs in the world ...

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How We Discovered Slow Earthquakes That Happen Over Weeks or Even Months
How We Discovered Slow Earthquakes That Happen Over Weeks or Even Months

You’re probably familiar with earthquakes as relatively short, sharp shocks that can shake the ground, topple buildings and tear rips ...

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Amber With Two Flies That Got Stuck Mating 40 Million Years Ago Discovered
Amber With Two Flies That Got Stuck Mating 40 Million Years Ago Discovered

Two mating, long-legged flies trapped in clear, honey-coloured amber, approximately 41 million years ago. (Photo: Jeffrey Stilwell) ...

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