Posts Tagged ‘beryllium diffusion’

What is the Best Color for Blue Sapphire? Part 4

Friday, October 2nd, 2009

Blue, the color of sky, ocean, peace and tranquility has long been associated with purity and wisdom. Blue colors dominate many forms of spiritual art. Cardinals of the Catholic Church, exemplars of chastity and celestial purity, often wore rings of blue sapphire. Blue has always been an important color for mankind, so when we ask […]

What is the True Padparadscha? Again!

Wednesday, September 16th, 2009

We published this article February 2009 with good response.  Since Sapphire is the stone for September, we thought it appropriate to republish, with minor additions, editing, new pricing information and larger pictures. Early in my career as a gemologist, while working the gem identification counter at the GIA Gem Trade Laboratory in Santa Monica, I […]

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