Pure Onyx Pendants in Sterling Silver

Natural Black Onyx Pendants Set in .925 Silver

Black onyx has served as a protective stone across cultures for over 4,000 years. The ancient Greeks named it from "onux," meaning fingernail, based on mythology. Today, this form of microcrystalline quartz remains one of the most sought-after black gemstones for pendant jewelry. Each piece in our collection pairs genuine onyx with solid sterling silver settings. We source our onyx from established mines where the stone occurs in parallel bands of black and white chalcedony. The black sections are cut and polished to reveal the stone's signature glassy finish. Sterling silver complements onyx well because the bright metal creates contrast against the deep black surface. Our silversmiths work the .925 silver into bezels, prongs, and wire-wrapped settings that secure the stone while letting its natural properties show. SilverRush Style has specialized in natural stone jewelry since 2005. Browse our onyx pendant selection by price, size, or setting style. Each order ships free within the United States.

Frequently Asked Questions

What is pure onyx made of?

Pure onyx is a variety of chalcedony, which is microcrystalline quartz. It forms in the cavities of lava flows and consists of silicon dioxide with parallel bands of black and white.

How can you tell if black onyx is real?

Real black onyx feels cool to the touch and warms slowly in your hand. It has a waxy to glassy luster, rates 6.5-7 on the Mohs scale, and shows no bubbles or perfect uniformity that would indicate glass or plastic.

Is onyx suitable for everyday wear in a pendant?

Yes, onyx works well for daily pendant wear. Its 6.5-7 Mohs hardness resists scratches from common materials, and pendant settings protect the stone from impacts better than rings.