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  2. Learn About December Birthstones | Tanzanite, Zircon, & Turquoise

    www.americangemsociety.org/birthstones/december-birthstones

    December’s birthstones are relatively inexpensive, but their beauty rivals even precious gemstones. Colorless zircon is a convincing alternative for diamond, tanzanite often substitutes sapphire, and turquoise is unmatched in its hue of robin’s egg blue.

  3. Learn about the origin of each birthstone by month and their history. Find this and traditional birthstone charts at AmericanGemSociety.org.

  4. Zircon Gemstone Overview Information | December Birthstone

    www.americangemsociety.org/birthstones/december-birthstones/zircon-overview

    Zircon commonly occurs as brownish red, which can be popular for its earth tones. However, most gem-quality stones are heat treated until colorless, gold or blue (the most popular color). Blue zircon, in particular, is the alternative birthstone for December.

  5. December Birthstone: Turquoise Stone Overview & Mohs Scale...

    www.americangemsociety.org/birthstones/december-birthstones/turquoise-overview

    Turquoise Overview. Admired since ancient times, turquoise is known for its distinct color, which ranges from powdery blue to greenish robin egg blue. It’s one of few minerals to lend its name to anything that resembles its striking color.

  6. History of Tanzanite | Learn About the Origin of December's...

    www.americangemsociety.org/birthstones/december-birthstones/tanzanite-history

    Instead of publicizing “blue zoisite”—which sounded a little too much like “suicide”—Tiffany named the gemstone “tanzanite” to highlight its exclusive geographic origin. They introduced it with a promotional campaign in 1968.

  7. December Birthstones: Tanzanite, Zircon, and Turquoise

    members.americangemsociety.org/page/decemberbirthstones

    December’s birthstones are relatively inexpensive, but their beauty rivals even precious gemstones. Colorless zircon is a convincing replacement for diamond, tanzanite often substitutes sapphire, and turquoise is unmatched in its hue of robin’s egg blue.

  8. Fun Facts About December Birthstones - American Gem Society

    www.americangemsociety.org/fun-facts-about-december-birthstones

    If you were born in December, you have the fun of choosing between three beautiful birthstones. The December birthstones are turquoise, tanzanite, and zircon. Each has a distinctive beauty that makes them special. Here are a few December birthstone facts.

  9. Tanzanite Gemstone Information | December Birthstone - American...

    www.americangemsociety.org/birthstones/december-birthstones/tanzanite-overview

    Tanzanite is the exquisite blue-purple variety of the mineral zoisite that is only found in Tanzania. Learn more about this rare December birthstone.

  10. History of the Turquoise Gemstone - American Gem Society

    www.americangemsociety.org/birthstones/december-birthstones/history-of-turquoise

    Since ancient times, cultures around the world have admired the distinct color of turquoise. The earliest evidence of turquoise gemstones comes from ancient Egyptian tombs, which contain elaborate turquoise jewelry dating back to 3000 BCE.

  11. December Birthstone: Tanzanite Gemstone Information - American...

    members.americangemsociety.org/page/tanzaniteoverview

    Between its deep blue color and its limited supply, tanzanite is treasured by many, even if your birthday is not in December.