Tag Archives: sapphire information

Pleochroic Sapphire

Posted on September 30, 2011 by mrahm

Like most gemstones, sapphire is doubly refractive and like many doubly refractive stones, it generally shows pleochroism. Pleochroism is an optical phenomenon that is a direct result of double refraction…when a light beam splits and travels in different directions at … Continue reading →

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Birds of a Feather: Sapphire & Ruby

Posted on September 8, 2011 by mrahm

Did you know that sapphire and ruby are essentially the same gemstone with different colors? That’s right, both sapphire and ruby belong to the gem species Corundum. Ruby is the red variety of corundum and, while most of us know … Continue reading →

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