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Amblygonite from Brazil [http://img.irocks.com/new2012/gems-228a.JPG]
Brazil
Thumbnail, 8.9 mm x 7.0 mm ; 1.72 cts
Amblygonite is a relatively rare stone and is only found from a few localities in top gem material. Clean stones are not often very large, and they are becoming increasingly difficult to find on the market day. This particular stone is a lovely yellow-green color gem that is virtually eye clean with an "Oval" cut. Amblygonite is too soft and brittle for jewelry, but these are not very common today, and would make a nice addition to any rare stone collection.
Amblygonite from Brazil [http://img.irocks.com/new2010/rlkg243a.jpg]
Brazil
Thumbnail, 9.0 mm ; 3.07 carats
Amblygonite is a relatively rare stone and is only found from a few localities in top gem material. Stone like this gem are highly sought after by collectors, and deeply appreciated by those who have experience with rare gems. This particular stone has a light straw-yellow color, and a "Step Cushion" cut. With the naked eye, I cannot see any inclusions in this gem, which is quite impressive for a stone this size. Amblygonite is too soft and brittle for jewelry, but these are not very common today in ANY size. This would make a great addition to any rare stone collection.
Amblygonite (twinned) from Jenipapo district, Itinga, Jequitinhonha valley, Minas Gerais, Brazil [http://img.irocks.com/new2011/AMBLYGONITE-MG-BRAZIL-10CM-JB066-11.jpg]
Jenipapo district, Itinga, Jequitinhonha valley, Minas Gerais, Brazil
Cabinet, 9.8 x 6.2 x 5.3 cm
Amblygonite is a rare species in large crystals, occurring at its very best in this locality. This large crystal is a classic fishtail twin, which is unusually symmetric. Many are smaller, and off-balance. The size an dgeometry of this piece make it stand out. It is extremely sharp and complete all around 360 degrees except for only the most trivial edge wear in a few spots. One termination is slightly etched atop its tip, but is complete. Mass is 420 grams, or about 1 pound in weight. This specimen was featured in the exhibition "MINERAL DREAMS: Brazilian Gem treasures" at the Munich show of 2010.Joe Budd Photos