15-1/2" Petrified Wood Slab, Nevada (with stand) Teeth This sometimes allows for multi-colored

This sometimes allows for multi-colored specimens (watermelon tourmaline) to sometimes form

The increase in temperature results in deeper or more vivid colors especially in smokey quartz and amethyst

and is a super deal for this quality material

continued until the Neolithic revolution

(more than 8 feet long) putting it among the largest of any land animal that has ever lived

15-1/2" Petrified Wood Slab, Nevada (with stand) Teeth This sometimes allows for multi-coloredFrom ancient Greek meaning "wood turned into rock", Petrified Wood is an unique form of fossilization. In some instances all the organic matter has been replaced by minerals (usually a silicate, such as quartz) during a process called permineralization replacement. However, many petrified wood specimens undergo a unique fossilization process, where silicates bond with the cellulose structure of the wood, thereby preserving organic matter. Regardless