18K gold coated onyx druzy teardrop pendant necklace on a 16 inch gold-plated sterling silver omega chain. Onyx is a banded black chalcedony. When druzy quartz crystals form on its surface, the result is a dark base with the sparkle...

Reversible natural agate geode teardrop pendant necklace on a 16 inch sterling silver box chain. This pendant is polished on both sides. The front and back both show the interior agate banding and quartz crystal formations, meaning this is a...

Black night squiggle druzy agate focal pendant necklace on a 16 inch sterling silver figure-8 chain. Druzy is the layer of tiny quartz crystals that forms naturally on agate. This piece has a titanium coating that gives it a dark,...

Reversible agate geode slice pendant necklace on a 16 inch sterling silver box chain. This slice was hand cut and polished on both sides by our design team, meaning both the front and back reveal the rich internal geology of...

Gem quality onyx, aquamarine, and blue jade briolette drop pendant necklace on an 18 inch sterling silver cable chain. A briolette is a fully faceted teardrop-shaped gemstone cut. Each stone in this pendant is a different natural gemstone in briolette...

Yowah boulder opal matrix drop pendant necklace on a 16 inch sterling silver box chain. Boulder opal forms when opal fills cracks and cavities in ironstone host rock. Unlike solid opal, the ironstone backing is left intact because it provides...

Yowah boulder opal wing-shaped pendant necklace on a 16 inch sterling silver box chain with sterling silver leaf bail. Yowah boulder opal from Queensland, Australia forms when opal fills the internal spaces of ironstone nodules, a remote outback mining area...

Yowah boulder opal matrix pendant necklace with green opal flash sparkles throughout the natural ironstone matrix on a 16 inch sterling silver box chain. Yowah opals from Queensland, Australia form when opal fills the microscopic cracks and pockets within ironstone...

Yowah boulder opal wing-shaped pendant necklace with a sterling silver filigree bail on a 16 inch sterling silver box chain. Yowah boulder opal from Queensland, Australia forms when opal fills the internal spaces of ironstone nodules. The green and blue...

Blue and white tumbled pottery shard pendant necklace wire wrapped in sterling silver on a 16 inch sterling silver box chain. This is a piece of historic pottery, an actual ceramic fragment found on the Cape May beaches, that was...