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November 7, 2008 / Bo Mackison

Petrified Wood for Sale

Petrified Wood for Sale

Petrified Wood

My way of thinking, this is a lot of money for an old (thought, granted, very old) piece of tree. Someone must buy the stuff, or they wouldn’t have such big piles of it. The ranger at the entrance to the Petrified Forest National Park did say that the people from Jim Gray’s Petrified Wood Company in Holbrook, Arizona ran a reputable shop–unlike some nearby store keepers who illegally remove the rocks from the park to sell.

Petrified Logs in Petrified Forest National Park

Petrified Logs in Petrified Forest National Park

So how much would one of these logs cost if they were for sale? Well, we’ll never know, because they aren’t available for purchase. They are located in the National Park.


In response to a Marcie’s question in the comments below, here are some facts about petrified wood that you might not know:

Petrified wood is permineralized wood (as in permanently mineralized) and it is a fossil from a family of trees now extinct in the Northern Hemisphere. The trees are still found in a very few places in the Southern Hemisphere. During the Late Triassic Period – 248 to 206 million years ago – this Arizona desert region was tropical. During seasonal flooding, trees were swept into sandy river channels, and then periodically buried by layers of gravelly sand and volcanic ash. The ash, which is a source of silica, permineralized the buried wood, replacing the wood with silica. Red iron oxide and pink manganese deposits added coloring in the fossil. Voila! Petrified wood, of course, didn’t occur overnight. The ocean receded over 60 million years ago, and the wood gradually turned into mineral fossils. Awesome stuff, this geology.


  1. Marcie / Nov 7 2008 6:12 am

    And what exactly is ‘petrified’ wood?
    Nice images!

  2. Debi / Nov 7 2008 7:33 am

    I’m sure it’s used for landscaping purposes on that scale. I’ll bet it’s really pretty. Interesting that it can be sold like that, but it sounds like they’re regulating it well.

  3. Gandalf / Nov 7 2008 8:31 am

    I wonder what kind of hammer & nails one would need with petrified wood. It’s rather hard to nail into rock. Cool picture.

  4. amuirin / Nov 7 2008 9:09 am

    I like how that piece toward the left has a piece of grass or something sticking straight out of the middle.

    It’s like it has a little antenna. Maybe it’s keeping the other pieces updated on world affairs.

  5. montucky / Nov 7 2008 8:00 pm

    Fascinating stuff, that. I greatly prefer seeing it in its natural surroundings than on display.

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