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Bead of the Week

red agateJust perfect for your Halloween creations -- these Red Agate Evil Eye beads are of stone that was formed from layers of silica from volcanic cavities. Agate is named after the Achates River (now known as the Dirillo River) on the island of Sicily, Italy, whose upper waters were an ancient source of this gemstone. Each strand offered here has 16 round faceted beads, with colors ranging from red to amber, as shown. Each bead is approx. 10 mm. with an approx. 2 mm. hole. Each strand is $10, but for a limited time, take 10% off with the code HALLOWEEN at checkout.

 

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niobiumNiobium is a light gray base metal that is typically anodized into six different colors.  This process involves putting the metal item into an acid bath and passing an electric current through the tank.  Oxygen atoms bond to the item's surface, which creates a lustrous sheen.  Some of the nicest specimens we've seen have been earrings -- though one can find niobium bracelets, beads, pendants, and more.  These beautiful earrings, offered by Sozra Gallery of Jewelry and Art, are a good example of this stunning, rainbow-like material.  Finding Niobium can be tricky, but it's worth the effort.  Many who are allergic to certain metals (such as aluminum, titanium, and magnesium) can almost always tolerate them when they are anodized with niobium.

Comments   

0 # Luiz Fernando 2015-02-15 23:07
Belíssima joia anodizada em nióbio!
O nióbio é também encontrado no mineral Columbita.Onde há maior concentração de Nióbio e menor presença de Tântalo.
Ambos,metais muito importantes.
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0 # sheilamclaughlin 2015-02-16 11:22
Thank you for commenting, Luiz! I'm not sure -- were you offering a source for buying Niobium?
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