Blue and violet Gems
London blue topaz ring oval blue gemstone ring by LuoJewelry
Blue Sapphire Loose Gemstone, Pear Cut, 10.9 x 7.0 mm, 3.14 Carats at BitCoin Gems
Howards Jewellers - Precious and Semi-precious Gemstone Australian Fine Jewellery
Blue Peruvian Opal
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Orthoclase Moonstone. Moonstone is the most highly prized of the feldspar gems and is valued for its beautiful blue sheen, called adularescence.
This cabochon-cut blue apatite displays chatoyancy, or cat’s eye effect, which occurs in crystals of apatite with fibrous, needle-like inclusions.
Blue Gemstone Drop Dangle Earrings
ADRIATIC BRACELET -- This handmade Thoi Vo gemstone bracelet brightens sea blue gemstones with moonstone "whitecaps." Handcrafted in USA with kyanite, iolite, apatite and London blue topaz. 14kt gold filled accents. 7" to 8"L.