Pyritized Ammonite in Matrix, Pleuroceras Citrine Base is ~ 1 1/4"

Base is ~ 1 1/4" x 3"

(Hainosaurus) measuring up to 17

Amber is the fossilized resin of a variety of ancient species of coniferous and flowering trees

The circulation of groundwater allowed silica and other minerals to precipitate into these cavities and form layers of agate and crystal quartz over the course of millions of years

Provenance

Pyritized Ammonite in Matrix, Pleuroceras Citrine Base is ~ 1 1/4"Pyritized Ammonites are considered some of the most collectable type of Ammonite fossil specimens. Iron Pyrite, also known as "Fool's Gold" enters the Ammonites chambers, replacing the animal's structure cell by cell. When the cellular replacement process goes just right, a magnificent fossil specimen such as the one pictured is created. The name Pyrite is derived from the Greek (purits), "of fire" or "in fire," from (pur), "fire. Ammonites are an