December's Birthstone
December is associated with blue topaz, a gemstone valued for its clear, cool blue tone. The color reads differently depending on the light — closer to sky blue in daylight, slightly deeper in warm indoor light — which gives it versatility against both silver and gold settings. Blue topaz rates 8 on the Mohs hardness scale, making it a practical choice for a pendant worn regularly at the neckline.
Choosing a Pendant
A birthstone pendant works best when the metal complements the stone's tone. Blue topaz sits naturally beside white metals, where the cool hues reinforce each other. Yellow gold creates a warmer contrast that can make the blue appear more vivid. Consider the chain you already own — or plan to buy — because the pendant's bail size determines compatibility.
Everyday Care
Blue topaz is durable enough for daily wear but benefits from a few habits. Remove the pendant before swimming in chlorinated water or applying perfume and hairspray, as chemicals can affect both the metal setting and the stone's surface over time. Clean gently with a soft cloth or a mild soap-and-water solution, then pat dry. Store separately from harder gemstones to avoid surface scratches.
Frequently asked questions
What is the birthstone for December?
December's birthstone is blue topaz, recognized for its cool, clear blue color. It is one of the harder gemstones, which suits it well for pendants worn daily.
Is blue topaz durable enough for everyday wear?
Yes. Blue topaz rates 8 on the Mohs scale, meaning it resists everyday scratching well. Standard precautions — keeping it away from harsh chemicals and storing it separately — will keep the stone and setting in good condition.
What chain length works with a birthstone pendant?
A 16- to 18-inch chain positions a pendant near the collarbone, which suits most necklines. If you prefer the pendant to sit lower on the chest, an 18- to 20-inch chain is a common choice.
Can a December birthstone pendant be given as a gift for someone born in another month?
Certainly — blue topaz is chosen as often for its color as for its birthstone meaning, and there is no rule limiting it to December recipients.