Tag Archives: corundum

Sapphire: A rainbow of colors

Posted on September 9, 2011 by mrahm

Sapphire is the birthstone for September, and while most people think of sapphire as being blue, sapphire is actually available in a rainbow of colors. I mentioned in my previous post that the gem species corundum is colorless in its … 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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Ruby Sister To Sapphire

Posted on July 10, 2011 by mrahm

Did you know that ruby and sapphire are the same gem species? Both ruby and sapphire are members of the gem species, corundum. Corundum is made of aluminum oxide and, in it’s purest form, is actually colorless. Trace elements cause … Continue reading →

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