My Cart


Celebratory shipping special!

Enter code: ROCKINDEAL at checkout for a $5 credit on orders $50 +

Gift Wrapping available!

Gift wrap option is by the "add to cart" button on product pages

Holiday gift certificates

Get a $100 value for $80 OR a $50 value for $40

Columbite Crystal (Rio Arriba Co., NM)

$36.00 USD

Columbite crystal; slightly radioactive (< 0.5 mr/hr), from the Big Bug claim, Petacca 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.