News tagged with carat
Geologists explore clues to Earth's formation in diamonds
(PhysOrg.com) -- When jewelers inspect diamonds, they look for cut, clarity, color, and carat. When University of Tennessee, Knoxville, geologists Larry Taylor and Yang Liu inspect diamonds, they look for ...
Space & Earth / Earth Sciences
Nov 08, 2011 |
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Opals set to shine with new grading technology
CSIRO and a consortium of Australian Opal miners (Opal Producers Australia Limited) have unveiled the world's first automated device to grade opals using image analysis, at the 2009 National Council of Jewellery ...
Aug 31, 2009 |
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Search results for carat
Chocolate and diamonds: Why volcanoes could be a girl's best friend
Scientists from the University of Southampton have discovered a previously unrecognised volcanic process, similar to one that is used in chocolate manufacturing, which gives important new insights into the ...
Space & Earth / Earth Sciences
May 16, 2012 |
4.4 / 5 (7) |
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Colombia's tinted gold passes for precious stones
All that glitters is gold under a new thermochemical process developed by Colombian engineers for color-tinting the precious metal to make it look like sapphires, rubies or emeralds.
Apr 08, 2012 |
4.8 / 5 (4) |
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Pure luxury - thanks to Empa technology
True luxury has only one color – gold. A nanometer-thin layer of pure gold now lends ties and pocket handkerchiefs that authentic gold sheen, thanks to a new Empa-developed process. The yarn, which is ...
Nov 01, 2011 |
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Designing diamond circuits for extreme environments
There is a new way to design computer chips and electronic circuitry for extreme environments: make them out of diamond.
Aug 04, 2011 |
5 / 5 (8) |
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Smartphones help world's winemakers foil fraudsters
For Charles Pillitteri, the fight against fraudsters began when he discovered fake bottles of his Canadian ice wine in Taiwan in 1998.
Jul 10, 2011 |
4 / 5 (1) |
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Watchmakers compete for the young, old and rich
(AP) -- Even the world's biggest trade fair for watches can't seem to avoid subtly encouraging the use of an alternative timekeeping device heavily favored by younger - and often bare-wristed - consumers: ...
Mar 24, 2011 |
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New scenery at Earth's core-mantle boundary found
(PhysOrg.com) -- Using a diamond-anvil cell to recreate the high pressures deep within the earth, researchers at the California Institute of Technology (Caltech) have found unusual properties in an iron-rich magnesium- and ...
Space & Earth / Earth Sciences
Sep 02, 2010 |
5 / 5 (4) |
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NC farm produces emerald shaped into massive gem
(AP) -- An emerald so large it's being compared with the crown jewels of Russian empress Catherine the Great was pulled from a pit near corn rows at a North Carolina farm.
Other Sciences / Archaeology & Fossils
Aug 30, 2010 |
4.5 / 5 (6) |
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Made to order diamonds hold key to stunning laser discoveries
(PhysOrg.com) -- Diamond is best known for being a prized gem and the hardest cutting element available, but now thanks to research being carried out at Macquarie University it is also proving to be a super ...
Apr 22, 2010 |
4.5 / 5 (26) |
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New Moon Rock Is Fit for a King
(PhysOrg.com) -- People don't discover a new type of moon rock every day, so consider the odds of finding one rich in a mineral that England's King Henry V wore on his battle helmet. And then imagine spotting, ...
Space & Earth / Space Exploration
Apr 09, 2010 |
4.9 / 5 (15) |
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List of search results for carat
