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25 inches at base
75 inches at base
binding and cementation of sedimentary grains by biofilms of microorganisms
#CT-307K Small Lemon Citrine Sphere
25 inches across and 19
Tumbled Petrified Wood dup-review-publication 25 inches at basePetrified Wood is a fossil. When all the organic materials of the original wood are replaced by minerals over time, while it retains its original structure, it becomes petrified. Wood becomes petrified when under sediment, and the flow of ogygen is blocked off. As water seeps into the sediment, it deposits minerals that gradually replace the orignal wood. "Petro" comes from the Greek meaning "rock" or "stone" thus, meaning "wood turned to stone." All
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