Laser (Light Amplification by Stimulated Emission of Radiation) welding is one of the most technically advanced forms of welding. Its…
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Newsletter
Woman finds 4-carat yellow diamond at Arkansas state park
A California woman visiting a public mine at an Arkansas state park last month went home with a 4.38-carat yellow…
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Coral Isn’t Just Eye Catching In The Sea
Coral, especially the red to pink type, has been used as an ornamental gemstone both in jewelry and intricate carvings….
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The Lost World of Atlantis, a Fossilized Pearl, and Ethiopian Sunstone
This stunning specimen consists of dreamy stalactite spires made of green malachite coated with blue chrysocolla. To imagine how it…
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