The small team behind NOGU firmly believes that life’s too short for meaningless jewelry. That’s why we’re constantly pushing the boundaries of what makes jewelry jewelry, and our handmade Firefly Glass collection is no exception. 

NOGU Glow in the Dark Firefly Glass Collection (Handmade Earrings, Necklaces, Bracelets)

Our Firefly Glass bracelets, necklaces, and earrings are the upgraded, luxury version of the glow-in-the-dark jewelry you enjoyed as a kid (because there’s no age limit on cool things, tbh). Even when they’re uncharged, they sparkle in the daylight like diamonds. But don’t get us wrong - they sparkle something crazy in the nighttime after you charge them.

NOGU Glow in the Dark Firefly Glass necklace and earring set

Because our Firefly Glass collection is so different, it might be tough to understand how it glows in the dark, and it might also be confusing to figure out the best way to charge your fireflies. That’s why we’ve created this blog - it’s a figurative one-stop shop to all things Firefly.

Handmade Canadian Firefly Glass Bracelet Jewelry Collection (Glow in the Dark)

Shop the authentic Glow in the Dark Firefly Glass Collection (Glowing Bracelets, Necklaces, Earrings)


When we were designing our Firefly Glass here in Toronto, we wanted to make something that didn’t use any electronics. We believe that natural, inner beauty is more important than anything, so we tried to approach the Firefly glow from that same angle. After countless hours of research and experimentation, we found it - silver-activated zinc sulfide.

Merlot Glass Bead Firefly Handcrafted Collection (Glow in the Dark)

Yeah, that sounds complicated - we totally sympathize. But the beautiful glow that these zinc sulfide particles emit once exposed to light is stunning. And that was easy for us to understand.



We’re glad you asked.

We pride ourselves on all our jewelry being handmade, and our Firefly Glass is no different. While the glass is being blown, we carefully suspend small particles of the silver-activated zinc sulfide within. This whole process is called “lampwork,” which is the reason why our Firefly Glass is different from our Mermaid or Galaxy Glass, for instance.

NOGU Glow in the Dark UV Activated Firefly Glass Jewelry Collection (Bracelets, Earrings, Necklaces)

Because the process of embedding these particles into the glass is so delicate, each bead comes out unique and slightly misshapen. But let’s face it - perfect, identical jewelry was never up our alley. As we’ve said before, we’re all about being different and finding beauty in that difference.

Once the glass beads are crafted, they’re accessorized with a small .925 sterling silver or sterling gold vermeil NOGU tag and bead. At this point in time, all our Firefly Glass bracelets are made with an elastic cord to fit a wide variety of wrists.


Another amazing question. It’s almost like we wrote it.

Since your Firefly Glass pieces have been kept inside beautiful gift boxes during shipment, they haven’t had a chance to charge. Granted, they still look amazing as-is, but you'll have to charge them if you want that stunning glow-in-the-dark effect. Here are the 3 primary ways to do so:

How to Charge Your Handmade Firefly Glass Bracelets, Necklaces, and Earrings (Glow in the Dark)

1. Use your complimentary UV Charging Light

NOGU UV Charging Black Light for Glow in the Dark Firefly Glass jewelry Collection (Glowing earrings, necklaces, bracelets)

With the purchase of any pieces from our Firefly Glass Collection, enjoy a complimentary, portable UV Charging Light (1 per order). It's a great way to charge your fireflies on the go! The direct UV light from these chargers will charge your fireflies to their max in just a few seconds.

Here's how to use the UV Charging Light:

2. Charge them under artificial light

If you place your Firefly Glass underneath a bright desk lamp, for instance, your fireflies will be fully charged in less than 5 minutes. That’s awesome, isn’t it?

NOGU Glow in the Dark Firefly Glass Alabaster and Gold handmade bracelet

(Secret tip for on-the-go charging: the flashlight on your smartphone will do wonders in topping up the charge on your fireflies. Just make sure to circulate the light across each bead so that they’re evenly charged)

3. Charge them under natural light

Place your Firefly Glass near a window and let the jewelry charge for up to 10 minutes. The stronger the sun, the brighter the phosphorescent particles will glow!

NOGU Glow in the Dark Handmade Authentic Firefly Glass Jewelry Collection (Handcrafted Bracelets, Necklaces, earrings)

If you have any questions, leave a comment below and don’t hesitate to reach out to us on social media - our NOGU Insiders page on Facebook is the best way to reach us! You can also find us on Tiktok and Instagram.

We’re so happy that you’ve been enjoying the handcrafted Firefly Glass collection so much. It truly means a lot to us. All of us at NOGU greatly appreciate the love and support you’ve been showing for our small company, and we’re excited to see what the future has to offer.

In the meantime, keep on glowing.

Reviews (1 comment)

  • Candi On

    NOGU is amazing…customer service is beyond exemplary and the company in whole is unbelievable!!!!

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