Ruby and Pink Sapphire—between the lines with John and Laura Ramsey

ruby ,Citrine

Ruby and all colors of Sapphire are simply different colors of the same mineral: Corundum. Hooray for Corundum—without you we would be missing a lot in the gem world.

Ruby is red corundum colored by chromium, and Pink Sapphire is pink corundum colored by a little less chromium than Ruby. The difference is this: Ruby has a little less than 1% chromium and Pink Sapphire generally has about 1/2 of that.

Now, here is where it gets interesting. What happens in the gems that don’t know enough to fit squarely in one camp or another? Well, some Pink Sapphires get close to red and some Rubies have apparently had a brush with Clorox and come up a little pale to be considered “red.”

Some of the best fun we’ve had was in the late 90’s when we would buy some of the more pale Burmese Rubies that were cut a little chunky on the bottom in what they call a “mixed cut.” The mixed cut would have a heavy rounded bottom in an effort to conserve color. We would buy these, cut the bottom to a “brilliant” bottom pretty much like a diamond is cut, lose a bunch of color and have the prettiest, darkest hot pink sapphires we’ve ever seen.

Sometimes things that are between the lines of common definition are the best!

Pink sapphire ring


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© Ramseygems.com, Inc., 2014. Unauthorized use and/or duplication of this material without express and written permission from John and Laura Ramsey is strictly prohibited. Excerpts and links may be used, provided that full and clear credit is given to johnandlauraramsey.com with appropriate and specific links back to this original content.

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