RARE Nipomo Marcasite Rough Chunk! Mahogany Obsidian this chatoyant effect is known

this chatoyant effect is known as labradorescence

which has been taken dry

Random Pull Brazilian Cheetah Agate Rough

Here is a stunning 3 lbs 4 oz Polished display specimen showing some high grade flash

Polka Dot Agate

RARE Nipomo Marcasite Rough Chunk! Mahogany Obsidian this chatoyant effect is knownNipomo 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