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Fine Jewelry University Articles matching: “cobalt blue spinel”

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Gem in the Spotlight: Opal

FJU Category: Gemstones | Tags: Folklore, Gem Spotlight, Gemology, Opal

…, you will get different colors. Opals can display just about every color of the rainbow, but hues of green and blue are the most common. Typically the higher end opals have a darker body color, and a wide range of colors. Red carries … orange body color, many of these stones have little to no play of color. The best stones have strong greens and blues that flash through the orange body color. Boulder Opal: Boulder opals are gem opal material that still incorporates …