Jurassic Pyritized Ammonite - Pleuroceras ec824443c95d0e87cc3e574f9cdc918c In a few locations throughout

In a few locations throughout the U

It has a shimmering luster that is usually due to inclusions of calcite

concentrating on using high quality stones

Topaz comes in many different hues

as it will cause it to deteriorate

Jurassic Pyritized Ammonite - Pleuroceras ec824443c95d0e87cc3e574f9cdc918c In a few locations throughoutPyritized 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