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Minerals Specimens
Our Mineral Specialties
Discover the distinctive highlights that make the Causeway Minerals collection truly exceptional.
Irish Zeolites
Volcanic Treasures from Ireland’s Rugged Coastlines
Zeolites are rare, strikingly beautiful crystalline minerals formed deep within ancient volcanic rock over millions of years. Native to the dramatic basalt formations of Northern Ireland's coastlines, these specimens hold a special place in our collection. As self-collected regional specialties, our Irish zeolites feature delicate crystal clusters and exceptional luster that make them highly sought after by discerning mineral collectors across the globe.
Key Highlights: Locally self-collected, rich geological heritage, rare crystal formations.
Fluorescent Minerals
Natural Wonders Brought to Life Under UV Light
Step into a captivating dimension of mineral collecting with natural fluorescence. Certain mineral species possess trace activator elements that respond to specific ultraviolet wavelengths, absorbing invisible UV radiation and re-emitting it as vivid, glowing visible light. Beyond their scientific intrigue, fluorescent minerals offer stunning contrast and dramatic visual impact, making them a captivating centerpiece for any modern display collection.
Key Highlights: Striking visual transformation, fascinating optical physics, perfect for display cases.
Explore Our Dynamic Mineral Auctions!
Beyond our fixed-price shop catalog, Trevor Boyd curates exclusive, rotating live auctions featuring rare Irish zeolites, world-class Tsumeb and Ojuela classics, and fine wulfenite specimens. Place your bids with complete confidence backed by years of senior auction expertise.