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Tag Archives: sapphire
Madagascar: A gemologist’s journey (Ilakaka Sapphire Deposit)
Ilakaka was probably the most exciting mining stop for me on the entire trip. As a Gemologist, I learned about this discovery, saw pictures and videos of it in my studies, but never imagined I would ever go there. This … Continue reading
Pleochroic Sapphire
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
Sapphire: A rainbow of colors
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
Posted in Gemstone Tidbits
Tagged blue sapphires, corundum, orange sapphires, pink sapphires, sapphire, sapphire colors, yellow sapphires
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