Carbonation Delivers Kimberlite
January 27, 2012 |
Researchers may have discovered the driving force that delivers kimberlite from deep within the Earth to a surface eruption at supersonic speeds.
Diamonds do not form from coal |
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Can You Make Money Faceting?
January 12, 2012 | Ultra Tec
A recent article in the Ultratec Newsletter by John Bailey was: “Can You Make Money Faceting?” He thinks you can make good money if you have the desire and basic skills. |
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Rising Demand for Diamonds
January 3, 2012 | Business Week
Middle class populations are growing rapidly in China and India. This is producing a sharp increase in the demand for diamonds in both countries. |
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Cutting Diamonds in Canada?
January 3, 2012 | CBC News
De Beers Canada has an agreement with the Province of Ontario that ten percent of the gem quality diamonds produced from the Victor Mine will be cut in Ontario. The problem is finding cutters who have skills that match the quality of the stones.
Related: Diamond Mines in Canada |
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Canadian Diamond Mines
December 15, 2011 | Geology.com
Throughout the 20th century most people would never have thought about Canada being an important producer of diamonds. But in 1991 two geologists found evidence of kimberlite pipes about 100 miles south of the Arctic Circle. Soon Canada became one of the world’s leading diamond producers. |
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Which Countries Produce the Most Diamonds?
December 13, 2011 | Geology.com
Botswana, Russia, Canada and Angola continue as the world’s leading producers of gem-quality diamonds.
Data from USGS Mineral Commodity Summary
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Earth Science Books for Kids
December 13, 2011 |
This is a great time to introduce kids to earth science with age-appropriate books. The geology.com store has children’s books on topics that include: dinosaurs, rocks, minerals, fossils, gemstones, volcanoes and more. |
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Rocktumbler.com is
affiliated with Geology.com.
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Rock Tumblers
December 7, 2011 | RockTumbler.com
Rock tumblers have been manufactured and sold to hobbyists since the 1950′s. The first machines tumbled rocks in metal cans. Since then rubber barrels have significantly reduce the noise, however rotary machines still require at least one month to convert rough rock into brightly polished stones. However, newer vibratory tumblers can process rock in a little over a week. Christmas is great time to try rock tumbling, revive your interest or introduce another person to to the hobby. |
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Buying Gem Rough
December 6, 2011 | Ultra Tec
“Buying Gem Rough” is an interesting article by Lisa Elser. She provides some tips on evaluating the rough, the people you are buying from, and how you will utilize what you buy. |
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Annual Diamond Sales in China – $8 Billion!
November 22, 2011 | Commodity Online
Ten years ago very few diamonds were being sold in China but today the country is the second largest consumer of gem diamonds with an annual consumption of about $8 billion. |
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Part of an exploration map - Wyoming Geological Survey
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United States Diamond Production
November 14, 2011 | Geology.com
The United States is the world’s leading consumer of diamonds, spending billions of dollars per year on the gem. Although domestic production is currently just a few hundred carats, there is a potential for production in several states. |
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The Yellow Sun-Drop Diamond
November 10, 2011 | AFP on YouTube
A 110-carat vivid yellow, pear-shaped diamond that was mined in South Africa will be auctioned next week in Geneva. It is expected to bring up to $15 million. YouTube Video. |
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Anglo American Buying De Beers
November 7, 2011 | BusinessDay.co.za
Anglo American has negotiated a deal that will give them 85% of the outstanding stock of De Beers, a company that has dominated the diamond industry for about 100 years. |
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Marketing Colored Stones Like Diamonds
October 28, 2011 | Mining Weekly
One advantage that diamonds have held over colored stones is the ability of manufacturers to obtain a steady supply of consistent quality stones. Large mining operations in Africa are now able to promise a steady and consistent supply of emeralds, amethysts and possibly rubies. |
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Diavik Mine Produces 1.9 Million Carats in 3rd Quarter
October 26, 2011 | Diavik Diamond Mine
In the third quarter of 2011, the Diavik Diamond Mine in Canada’s Northwest Territories produced 1.9 million carats of rough diamond from 600,000 tons of ore. For the calendar year they expect to produce 6.9 million carats from 2 million tons of ore.
View Larger Map
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Russia’s Diamond Resources and Markets
October 25, 2011 | Frost & Sullivan
Frost & Sullivan has published a review of Russian diamond resources and markets. Russia is the world’s leading producer of rough diamonds. |
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Alaska: Yentna Gem Fields
October 17, 2011 | Mat-Su Valley Frontiersman
Yentna Gem Fields is a new discovery in Alaska that is yielding diamonds, opals, sapphires, rubies and other gemstones. |
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The Many Uses of Diamond
October 11, 2011 | Geology.com
Diamond is the world’s most popular gemstones and it’s qualities as the hardest natural substance make it an excellent abrasive. However, diamond is used for many other things which include: heat sink, speaker dome, laser windows and microbearings.
Related: Diamonds Don’t Form From Coal |
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How the High Price of Gold is Changing Jewelry Stores
October 10, 2011 | Enterprise News
Stephen Blumberg, a jeweler in Quincy, Massachusetts, explains how the high price of gold has changed the traffic in his jewelry store and the types of things that people are buying. |
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DeBeers Investing in “Diamond Technology”
October 10, 2011 | VentureBeat
DeBeers has long been the world’s leading company for mining, manufacturing and marketing gem and industrial diamond products. Now the company is offering venture capital to proposals that focus on creating new technological markets for their synthetic diamond products. |
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