Columbite-Tantalite
$80.00
Availability: 1 in stock
According to the Compendium authored by Tom Moore, “simple tabular crystals of “columbite” were fairly abundant and reached up to 4cm (as of early 1960’s). This one is 3cm. Ex Jon Ertman, John Higgens and George Loud.
Locality: Amelia County, Virginia
Composition: varying amounts of iron, manganese, niobium, and tantalum
Dimensions:
3 × 3 × 1.2 cm
