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Blue Gold? Would you?

In researching gold for an upcoming blog I stumbled upon these stunning rings. Each ring has a different level of blue gold from light to deep, dark, almost black blue gold.

 

The band ring, above, a very deep, almost black gold, has Tanzanite and Diamond gemstones.  The band is for sale by Diamondere.  See https://www.diamondere.com/rings/blue-gold-rings for details.

 

This ring, immediately below, is a medium dark blue gold band with one Pink Sapphire gemstone.

Pink Sapphire Ring

 

 

 

 

This ring, immediately below, is a light blue with a Blue Aqua Zircon stone.  This ring is for sale by the Slim Wallet Company.  See https://www.slimwallet.co/products/blue-gold-light-blue-aqua-cz-crystal-ring for details.

 

Blue Aqua Zircon

 

Intermetallic compounds, as these three blue gold rings, are obtained by fusing a strictly fixed ratio of components determined by the chemical formula. These metals are characterized by having low plasticity and high fragility — they can crack or be fractured after the fall or become dented from a blow, so it limits their broader usage in the jewelry industry.

 

Blue gold is a gold alloy with indium — AuIn2, containing 46 percent of 11-carat gold and 54 percent indium. The blue intermetallic compound is very fragile.

 

The compound of gold and gallium — AuGa2 has a lighter bluish hue and contains 58 percent of 14K gold. This gold alloy is more solid than AuIn2.

 

Jewelry pieces made of blue gold are rare.

During the 1970s I began making and selling jewellry, a passion I shared with my mum, through local businesses. Together, we made hundreds of pieces of everyday accessories to wedding accessories. From 1980 to 1993 I was an integral part of the team of successful small business entrepreneurs behind Boaz Junction, a local women's wear store here in St. Catharines, Ontario.

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