
Columbite specimens for sale
29 for sale · $120–$7,500 USD
34 in the gallery
Columbite is a niobium-rich mineral with the formula Fe2+Nb2O6, typically forming elongated, prismatic crystals and brownish-black to steel-gray metallic luster. It often occurs in granular to massive aggregates within pegmatites and granitic rocks, and can display a submetallic to adamantine sheen on sharper faces. Associated minerals in pegmatites include tantalite and various spodumene-bearing assemblages, reflecting its geological environment.
- Formula
- Fe2+Nb2O6
- Rarity
- Common
- Stability
- Stable
- Collector interest
- Moderate Interest
- Classification notes
- Oxide mineral; niobate group; Nb-oxide (IMA: Columbite)
Buy Columbite specimens
View all 29Where Columbite is found
About Columbite
Prominent specimens come from classic pegmatite deposits in the United States, notably in Alaska and Ontario-like contexts, as well as famous occurrences in Brazil and Madagascar. Lesser-known but scientifically valuable finds come from Afghanistan and Australia, contributing to the mineral’s diversity in habit and size. Collectors value well-formed crystals, durability, and the contrast between a dark body and bright luster, as well as the insight Columbite provides into niobium-bearing mineral systems and pegmatite genesis.













