Blue Mountain Jasper Slab - Dark Green Orbs - Oregon Classic palm pattern fossil Mosasaurs were the largest lizards

Mosasaurs were the largest lizards that ever evolved and attained lengths of almost 60 feet with a skull 6 foot long

creating a visually rich and colorful surface

Gem Dinosaur Bone Slab – Blue Agate Cell Pattern – Utah Fossil Old Stock

The best specimens—like this slab—display deep blue tones with metallic gold flashes

Blue Mountain Jasper Slab - Dark Green Orbs - Oregon Classic palm pattern fossil Mosasaurs were the largest lizardsBlue Mountain Jasper Slab Dark Complexion Green Orbs Pacific Northwest Classic Darker complexion green Blue Mountain Jasper displaying multiple orb patterns throughout. The darker complexion creates an interesting variation that makes the orb details more subtle, though polishing may help expose the patterns better. This Oregon classic orbicular jasper from near Mitchell has been a Pacific Northwest rockhounding favorite for decades, originally mined