Columbite crystal; slightly radioactive (< 0.5 mr/hr), from the Big Bug claim, Petaca district, Rio Arriba County, New Mexico
Thumbnail specimen - About 0.65" x 0.4" x 0.5" (15mm x 9mm x 12mm)
If you would like to pick this item up at our store front, please select "pick up" during checkout.
If your delicate specimen is over 70lbs we will refer you to our local Crating company for safer freight shipping!
*At customer expense.