Semseyite specimens for sale
10 for sale · $100–$3,000 USD
7 in the gallery
Semseyite is a sulfantimonide mineral consisting of lead, antimony, and sulfur. It forms metallic, often dark gray to black crystals with a sometimes stepped or tabular habit and a bright to sub-metallic luster that can catch the light in mineral cabinets. Crystals are commonly embedded in matrix or occur as sizable but intricate aggregates, reflecting a complex crystal structure built from layered sulfide motifs.
- Formula
- Pb9Sb8S21
Buy Semseyite specimens
View all 10Where Semseyite is found
Top localities
- Herja Mine6 specimens
- Baia Sprie1 specimen
- Cavnic1 specimen
About Semseyite
Notable collections include specimens from Romania, Bolivia, and parts of the United Kingdom, where distinctive, well-formed crystals have drawn interest from collectors. The mineral’s rarity and the challenge of finding sharp, lustrous pieces contribute to its appeal, especially when specimens display clear termination faces and a convincing metallic sheen. When clean and well-terminated, semseyite can present a striking contrast against host rock, making it a prized addition for cabinet displays and reference collections.














