Showing posts with label coloredstones. Show all posts
Showing posts with label coloredstones. Show all posts
Thursday, May 21, 2009

Jewelry Week

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The Las Vegas Antique Jewelry & Watch Show opens from May 28 to June 1, 2009, at Bally's. The annual trade-only event, which opens t...

Greenland Rubies

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Canadian company caught in middle of fight over Greenland rubies http://www.google.com/hostednews/canadianpress/article/ALeqM5ggEo7H8KAyoewl...
Saturday, April 14, 2007

Ruby From The Vatomandry Area Of Eastern Madagascar

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(via Gemmology Queensland, Vol.5, No.3, March 2004) For about a year, Thai gem merchants have been selling considerable amounts of ruby from...
Monday, February 26, 2007

Special Effects

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I love movies, because the concept enable the characters to simulate their natural talent with good acting and special effects. The reality ...
Sunday, February 25, 2007

Minerals On Postage Stamps

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(via Mineral Digest Vol. 1, 1972) Franklin R Bruns, Jr writes: In the fall of 1594 the Spanish galleon San Pedro, en route home with treasur...
Sunday, February 18, 2007

Intarsia

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What Is Intarsia? (via Gem Cutting: A Lapidary’s Manual) John Sinkankas writes: The ancient art of imbedding small bits of colored material...
Friday, January 19, 2007

How To Separate Frequently Encountered Fancy Colored Diamonds From Imitations

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- Visual observation: (10x lens) Look for color, luster, cut, doublet/triplet junctions, if any. - Determine optic character: Single refract...
Tuesday, January 09, 2007

The Colored Stone Story

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What are colored stones? Colored stones refer to any gem other than diamond. Some diamonds are colored, but colored diamonds are not conside...
Friday, December 29, 2006

Werner Spaltenstein

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Dark Continent Gill Baker writes: Madagascar is home to some of the world’s richest untapped seams of pink sapphires, and as regular multico...