06108 - Beautiful Pyritized 0.97 Inch Phylloceras Lower Cretaceous Ammonites Dinosaurs From the proximal end to

From the proximal end to the tip of the distal end

They are found fossilized in silica (silicified)

featuring intense and brilliant orange tones

Applied Petrology Laboratory (APPLIED PETROLOGY LABORATORY

confer it a very high value

06108 - Beautiful Pyritized 0.97 Inch Phylloceras Lower Cretaceous Ammonites Dinosaurs From the proximal end toSpecimen of extreme quality. His suture lines are wonderfully well detailed. It is naturally pyritized. It has undergone a taphonomic process of permineralization in Iron Sulfide (Pyrite). Permineralization is a process of fossilization in which mineral deposits form internal casts of organisms.