RARE Nipomo Marcasite Rough Chunk! Mookaite Septarian Nodules are round stones

Septarian Nodules are round stones that were organic fossils that were devoured by bacteria and replaced with calcite

This is a stone with an ancient untold story

and is considered an old Oregon classic

I personally don't recognize it

Each one is sure to cut some nice slabs for cabs

RARE Nipomo Marcasite Rough Chunk! Mookaite Septarian Nodules are round stonesNipomo Marcasite is an old stock form of lapidary grade Iron in Quartz from near Nipomo, California. It is a fantastic material to work with, with its iron based plumes and clear quartz agate. It tends to be pretty solid and takes an excellent polish. It is well known for working into some captivating designer grade cabochons. It was a very popular old stock material, but has long since been tapped out. Sadly, on the modern market, there is very