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Why do you think sapphire blue holds such prominence as a color? When I think of blue, and historically, as well, the first thing that comes to me is the heavens, the sky, and if you associate the ...
With more than 50 million redeemed miles under her belt, Becky Pokora is a rewards travel expert. She's been writing about credit cards and reward travel since 2011 with articles on Forbes Advisor ...
The locality origin of natural-color blue sapphires from Kashmir can, in many cases, be positively identified. However, the field of origin determination is a very complex one – especially with the ...
Blue sapphire and tourmaline are strongly dichroic uniaxial gems, while tanzanite (again, see figure 1) provides an example of a strongly trichroic biaxial stone. Not all uniaxial gems display visible ...
Since demantoids are so rare, they are usually only seen in antique jewelry. While sapphires come in a wide range of colors, when iron is present in a stone, it causes the color to be green or ...