Petrified wood is the state stone of Mississippi. This was designated in 1976. Mississippi contains a large petrified forest park and museum.
Petrified wood
The state stone is petrified wood.
Petrified wood
Since 1976, Mississippi's state rock has been petrified wood.
It is named for the large collection of petrified wood found in the area.
Australlia
Petrified Wood
There isn't anything online with the monetary value of petrified wood, nor of a 200 pound petrified wood log found in south central Oklahoma. The best thing you can do is to find the forestry service for your local area, and see what they say. Chances are, there won't be an actual value for it.
The streak of petrified wood is black or brown. The streak can also be white.
...the petrified forest...
Petrified wood.