(MGW) FIRE AGATE SPECIMEN 3.45 CTS FP 360

Item Information

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

 

FIRE AGATE SPECIMEN

THIS STONE IS FOUND IN THE AREA FROM ARIZONA TO MEXICO. THE STONE APPEARS TO GLOW INSIDE LIKE AN OPAL. THE GEM IS THOUGHT TO BE FORMED WHEN HOT WATER SATURATED WITH COLLOIDAL SILICA AND LAVAOXIDE INVADES CAVITIES IN THE COUNTRY ROCK AND BEGIN TO COOL. CHALCEDONY WITH IRON OXIDE BEGINS TO GROW ON ANY AVAILABLE SURFACE (THE IRON OXIDE GIVES THE BASIC BROWN COLOR TO THE GEM). AS THE SOLUTIONS BEGAN TO PRECIPITATE AND GROW LAYERS OS SILICA AND IRON OXIDE WOULD BE DEPOSITED DEPENDING ON THE RELATIVE LEVEL OF THOSE ELEMENT IN SOLUTION AND UNDERLAYING CONDITIONS. THESE ALTERNATING SILICA AND IRON OXIDE LAYERS (SCHILLER LAYERS) CAUSE BRILLIANT FIRE TO THE GEM. AS IRON OXIDE RAN OUT IN THE SOLUTION COLORLESS CHALCEDONY CONTINUED TO GROW. THIS SPECIMEN CAN BE POLISHED FURTHER AND WE HAVE TAKEN THE PHOTO WITH THE STONE WET TO GIVE YOU AN IDEA ON HOW IT WILL FINISH. SOME PEOPLE WITH THE STONE WET TO GIVE TO GET THE BEST OUT OF IT YOU NEED TO BE ABLE TO USE A DREMIL DRILL AND FOLLOW THE CONTOURS OF COLOR.

GREEN ORANGE BLUE COLOUR

SIZE: 11 X 9 X 4 APPROX.

WEIGHT: 3.45 CTS APPROX.

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$28 lanie1
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Pricing & Details

Bid Increment $1
Starting Bid $28
Auction ID 9361
Watchers 5 watching
Viewed 1,300 times
Starts 22nd Mar 2018 2:40pm PDT
Ends 25th Mar 2018 11:29am PDT

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