Tag Archives: diamonds
‘Super-deep’ diamonds may hold new information about Earth’s interior
Researchers believe that it is possible for natural diamonds to form at the base of the Earth’s mantle, giving new clues to what may be found in our planet’s interior. Geology News — ScienceDaily
Diamonds may hold new information about Earth’s interior
De beers south africa Researchers at Tohoku University believe that it is possible for natural diamonds to form at the base of the Earth’s mantle. The formation of such “super-deep” diamonds was simulated using high-pressure and high-temperature experiments by the … Continue reading
Diamond’s P-billion-yr progress charts tectonic shift in early Earth’s carbon cycle
A number of unprocessed inclusion-bearing gem high quality diamonds from Letlhakane. The darkish areas surrounding the shiny metallic like inclusions (sulphide) are graphite in cracks that from because of the differential enlargement of the sulphide and diamond when delivered to … Continue reading
Diamond’s P-billion-yr progress charts tectonic shift in early Earth’s carbon cycle
A research of tiny mineral ‘inclusions’ inside diamonds from Botswana has proven that diamond crystals can take billions of years to develop. One diamond was discovered to include silicate materials that shaped P.A billion years in the past in its … Continue reading
Why is Turquoise Becoming Rarer and More Valuable Than Diamonds?
With depleting mines, turquoise, probably the most sacred stone to the Navajo, has turn out to be more and more uncommon. A Sky-blue coloured stone with a grey and gold spiderweb matrix sits melded into an intricate silver ring with … Continue reading
Pink diamond mystery solved: What makes pink diamonds pink?
Image: Natural History Museum, Los Angeles County They’re one of the world’s rarest jewels – but nobody knows for certain why pink diamonds are pink. The research suggests that a pink diamond’s colour is dependent on both wavelength and intensity … Continue reading
Merlin Diamonds unearths Australia’s fifth largest diamond
A blue diamond was found at the NT’s Merlin diamond mine recently, the discovery followed by the unearthing of a 35.26 carat diamond. Merlin Diamonds has unearthed Australia’s fifth largest diamond from its namesake mine in Australia’s Northern Territory, currently … Continue reading
Seeing through sparklers: What happens to heat-treated diamonds
Before and after: heat-treated diamonds. Removing color from brown diamonds Diamonds come in all colours with price tags to match — ice-white, blue and pink attract high prices and stones with brown hues the least. But now that brown diamonds … Continue reading
Synthetic Red Diamonds to Replace GPS
Scientists Believe The Gems Can Very Soon Predict Locations! Diamonds that ‘know where they are’ could make GPS satellites redundant Lab-grown red diamonds with an atomic defect could one day replace GPS systems thanks to their remarkable sensitivity to magnetic … Continue reading
Sea Ice: Ancient Oceans Birthed Diamonds
A diamond with a gem-quality core and a coating that contains tiny fluid inclusions from deep beneath Earth.Credit: Anetta Banas Geology professor Dan Schulze calls this singular gem from the remote Guaniamo region of Venezuela the “Picasso” diamond. The blue … Continue reading