15.10 CTS FIRE AGATE FROM MEXICO [STS1454]6

Item Information

Dimensions (mm) 23 x 13 x 7mm
Weight (carats) 15.1 carats
No Treatment

WELL POLISHED FIRE AGATE STONE 

This is a stone where we have just polished  it to expose the natural  fire agate pattern under the Chalcedony layer. We also have the rough in our sister store QUALITY ROUGH..

 

 This stone was mined in Mexico but it is found in Arizona also.The stone appears to glow inside like opal.The gem is thought to be formed when hot water saturated with silica and lava oxide invade cavities in the rock and cool. Chalcedony with iron oxide begin to grow on the surface.The iron oxide gives the basic brown colour to the stone.It grows layers of silica and iron oxide. These alternating silica and iron oxide cause the brilliant fire from the stone.After the iron oxide ran out of the specimen colourless chalcedony contained to grow over it.

 

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$1 laurahawkmoth
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Pricing & Details

Bid Increment $1
Starting Bid $1
Auction ID 815943
Watchers 8 watching
Viewed 182 times
Starts 7th Oct 2018 6:43pm PDT
Ends 4th Nov 2018 5:43pm PST

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