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Product Description
Mayer Onyx Stone Slab Rough Rock Picture Travertine Arizona
This is some of the most beautiful Mayer Onyx Picture Rock around!
The unpolished Mayer Onyx stone slab is 4.4 inches by 3.3 inches and 6 mm thick.
It weighs .3 lbs. and is shown wet in the first 2 pictures.
This lovely red, blue and orange Onyx is from the Mayer Onyx Quarry, near Mayer, Arizona.
The onyx was first found in the fall of 1889 and brought to Joe Mayer's attention.
The Mayer Onyx comes from a huge area, with several different claim sites and each site produces different colors. The onyx sometimes referred to as travertine is found as low dipping veins up to 3 feet in gravel. Deposits in the Mayer locality range between 1 to 25 feet in thickness, covering in excess of 300 acres.
The following are among the many colors contained in this stone: Dark red and yellow, green and bright red, black and white, gray and white, and white striped with golden brown and amber.
Travertine is formed near hot springs. When the pressure which forced the water to the surface is released, the water evaporates and the calcium carbonate settles, forming the mineral Aragonite. As water seeps through, the mineral grows stronger and more durable and the rock becomes Travertine.
