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Petrified palm wood is the state stone of Texas and the state fossil of Louisiana. It comes from palm trees in the Oligocene Epoch, between 20 - 40 million years ago, give or take a few years.
Petrified Palm Wood (-160)
aka Palm Jasper This gemstone is the fossilized wood of palm trees from the Oligocene Epoch, which occurred about 20 to 40 million years ago. The petrified wood formed when a tree died and was buried by sediments.
Texas -- Some of the best agate, jasper, chert, and petrified wood (particularly petrified palm wood) found in the nation comes from Texas. Blue banded, moss, and red and black plume agates are found near Alpine in Brewster County.
Depending upon the angle the lapidary uses to cut the stone, these structures show up as spots, tapering rods, or lines. Petrified palm wood is very hard, a 7.5 on the Mohs scale and ranges in color from black, light beige, yellowish-brown and brown.
 See also: Jewel, Gemstones, Gold, Color, Jewelry
  
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