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This is a piece of petrified forest floor! It is from the Kirkby collection and it was self-collected sometime in the 1930's to the 1960's.

The Kirkby's were well-known and well-respected in the rock and fossil world. If you have been following my blogs-you know that my foray int

Although "tree" is a common word, there is no universally recognized definition of what a tree is.  As I continue my pursuit in learnin

Another type of “damage” seen in Petrified Wood is from insects. Though origin and evolutionary history of this is poorly unders

Once again, I would like to explain that, though we have been in the rock and mineral business for 40 plus years, Petrified Wood is not our

Limb cast are some of the most beautiful “Petrified Wood” around.  But what is a limb cast? Limb cast begin the same way th