15" Blue/Purple, Petrified Wood (Araucarioxylon) Round - Arizona

This is a spectacular, blue & purple, 15" wide, round of petrified wood (Araucarioxylon) from Arizona. One side has been highly polished to a mirror-like finish. When you get blue and purple coloration in this material it's typically small areas, but most of this round is blue and purple colored with a reddish rind. In addition is has several pockets of sparkly quartz crystals. This is an end-cut from the log so it varies in thickness from .75 to 1.3" thick.

It comes with a display stand.

This wood is similar to petrified wood found in the Petrified Forest National Park near Holbrook, Arizona. Its petrified forest encompasses nearly 100,000 acres, and is almost entirely represented by the extinct conifer Araucarioxylon arizonicum.

The petrified wood from Araucarioxylon arizonicum happens to be the state fossil of Arizona. It is frequently referred to as "rainbow wood" because of the large variety of colors some specimens exhibit. The reds and oranges come from hematite inclusions within the silica, the yellows from limonite, and the purples from extremely fine hematite spherules.

Araucarioxylon arizonicum is estimated to have grown more than 150 feet high and dominated the tropical forests in what is now Arizona nearly 225 million years ago.
Araucarioxylon arizonicum
Chinle Formation
15 x 13.4", varies .75 to 1.3" thick
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