Y-yttrium-39

Fun facts: Used in LED displays, superconductors, and as a stabilizer in nuclear reactors. Gave red color to old cathode-ray TV screens, and helps strengthen ceramics. It’s one of four elements named for the mineral-rich Swedish village of Ytterby, along with Erbium (Er), Terbium (Tb), and Ytterbium (Yb). Great for: Swedes, those who appreciate the power of "Y," lovers of elegant single-letter element symbols, and folks named Yule and Yolanda. Dial up your vibe with a Yttrium atomic element hat from Lidnium. Crafted from premium washed cotton with precise Y symbol embroidery and an adjustable fit, this cap lets you stand out—whether you’re celebrating a milestone or powering through your day. Wearing a Lidnium cap adds a little juice to your day, and Yttrium takes it to the next level.