Columbite-Tantalite Sample 2

By Communications and Publishing September 2025 (approx.)

High-definition image of a second columbite-tantalite specimen, showing its dark coloration, rough surface.

Detailed Description

Isolated high-resolution image of columbite-tantalite ore, a mineral specimen from the USGS collection, highlighting its granular texture and crystal structure.

Sources/Usage

Public Domain.