Item Information

Dimensions (mm) not provided
Weight (carats) not provided


This material is a new discovery from  Chihuahua  in Mexico and has many layers of different colors: red, brown, green, tan, blue, yellow, white and others. It has been verified as a natural stone not man made. It is composed of Calcite-Allophane (Blue and green) and silica with various trace metals that cause the other colors. It has been stabilized the same as Turquoise. This makes it very stable and easy to cut and polish..There is similar man made product avaliable so  i have included a picture of the rough from the mine.The stone has a black backing to give it strength.The material is porous so its hard to get a good polish on it.There has a been a small amount of filling applied.This is a beautiful stone,

Weight 7.35 cts app

Size 15x 14 x5 mm app



2d 4h 9m 13s

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Pricing & Details

Bid Increment $1.00
Starting Bid $10.00
Auction ID 81119
Watchers 4 watching
Viewed 954 times
Starts 25th Feb 2017 12:02am PST
Ends 28th Feb 2017 12:00am PST

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