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12 of the world's rarest gemstones
When it comes to gemstones, many people believe that diamonds are the rarest in the world. But in reality, there are some types of stones that are even more valuable and…
Opal
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Articles about Opal
11 published items.
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Digging the ground to discover the most expensive treasure on the planet: A country 'hit it rich' because it owns 90% of the world's reserves
This country owns up to 90% of the global reserves. A small bean-sized stone costs up to 255 million VND.
Archeology
Cat's eye jewel formed from ancient dinosaur bones in Australia
The skeleton of a new dinosaur found in Australia has been opalized for a long time and becomes a rare cat eye.
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The most intense super typhoons in the history of the Atlantic
Names like Carla, Hugo, Katrina, Miami ... have become horrors for many people. These are the most intense super typhoons in the Atlantic ever recorded in history.
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Opal stone $ 600,000 for the first time to the public
The rainbow-colored, opal stone with the name Australian Fire was first displayed at the South Australian museum after being discovered 60 years ago.
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10 most rare and precious stones in the world
Referring to gems, many people think that diamonds are the rarest precious stones in the world. But in fact, there are some types of stones that are more valuable and ra…
Discover science
Virgin Rainbow - The most beautiful opal stone on the planet in Australia
Virgin Rainbow, the most beautiful opal stone on the planet, is on display in Adelaide's South Australia Museum.
Archeology
Discover new dinosaurs in Australia
After nearly a century, a new dinosaur in New South Wales was discovered and named: Weewarrasaurus pobeni.
Space science
Mars jewel contains fossils of alien creatures?
Astronomers believe that hidden deep inside the pits of Mars's surface may be gems that contain traces of fossil life. Now, for the first time, scientists have discovere…
Space science
Use lasers to transmit video from ISS to the ground
NASA succeeded in performing experiments that transferred high-resolution video data compression information into lasers and transferred from the International Space Sta…
New technology
Sensor measuring alcohol concentration from cat's eye
To do so, the researchers first used a thin sheet of about 1 cm square opaque and filled a modified gel to react with ethanol in the breath.