Black Tourmaline

Black tourmaline is the stone of protection — dense, multi-faceted, and deep black, prized in crystal healing as a shield against negative energy, psychic disturbance, and electromagnetic frequencies, while grounding the wearer to the earth. It's also one of the most versatile stones in the MHART studio: hard enough to hold a sharp, faceted cut, and dark enough to anchor every design it's set into.

This collection gathers our black tourmaline pieces — from dense, linked chokers built stone by stone into a caged silhouette, to beaded necklaces and bracelets finished in polished stainless steel. Each piece is handmade in New York by designer Michael Hartney, built around the natural shape of the gemstone rather than forced into symmetry, so no two pieces are ever quite alike.

Rooted in the base chakra, black tourmaline is worn as an everyday grounding piece — bold enough to stand alone, versatile enough to layer with the rest of your MHART collection.