Reference
Birthstones by Month
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Birthstone
February Birthstones — Modern, Traditional, and Where Zultanite Fits
The modern February birthstone(s) are amethyst. The traditional February birthstone(s) are amethyst, pearl, jasper. Zultanite (gem-quality color-change diaspore from Türkiye) is not an official February birthstone — the gem was discovered too…
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Birthstone
December Birthstones — Modern, Traditional, and Where Zultanite Fits
The modern birthstones for December are tanzanite, turquoise, and zircon; traditional listings include turquoise and lapis lazuli. December covers Sagittarius (until December 21) and Capricorn (from December 22). Zultanite is not an…