Brass Core Series Necklace
-Interchangeable stones
-High quality minerals and metals
-Make it your own vibe
Free shipping and returns over $75
Free shipping and returns over $75
Brass Core Series Necklace
Free shipping and returns over $75
Free shipping and returns over $75
Let customers speak for us

Pick a Frame

Slide the Core inside

Seal it and wear it with a chain

Daily ritual made easy
A necklace you actually wear every day—swap your Core in under 30 seconds.

Modular freedom
Thousands of combinations. Change your stone anytime to match your mood, outfit, or intention.

From Yoga to Yo-Yo Ma
Simple and elegant enough to pair with almost any outfit, so you can wear it all day without thinking twice.

Authentic materials
Genuine stones + durable metal frames in Stainless Steel, Brass, Sterling Silver, or Gold.
Frequently Asked Questions
No—the chain itself threads through the Frame, locking the Core inside. It stays put until you remove the chain.
No—the chain itself threads through the Frame, locking the Core inside. It stays put until you remove the chain.
Because it’s many necklaces in one. Each Core expands your collection, and the precision-made Frame + real stone quality lasts. Most crystal necklaces are cheaply cut while every Core is made to precision standards.
Because it’s many necklaces in one. Each Core expands your collection, and the precision-made Frame + real stone quality lasts. Most crystal necklaces are cheaply cut while every Core is made to precision standards.
Not unless you want it to be. The sleek design can be worn simply as modern jewelry—or as a meaningful ritual piece.
Not unless you want it to be. The sleek design can be worn simply as modern jewelry—or as a meaningful ritual piece.