995.60 CTS - OPAL PINEAPPLE GLAUBERITE QUALITY COLLECTOR INV-

Item Information

Dimensions (mm) 81.5 x 68.4 x 46mm
Weight (carats) 995.6 carats
Colors


GLAUBERITE     

THIS IS A RARE OPAL PINEAPPLE ONLY FOUND IN WHITE CLIFFS NSW AUSTRALIA.

THERE HAVE ONLY BEEN BETWEEN 300-500 SUCH SPECIMENS FOUND THERE. THEY ARE FORMED AS A RESULT OF PRECIOUS OPAL REPLACING GLAUBERITE [A SULFATE MINERAL] -SUCH SPECIMENS ARE KNOWN AS PSEUDOMOROPHS. AS THEY STILL EXHIBIT THE EXTERNAL CRYSTAL FORM THEY HAVE REPLACED. THE GLAUBERITE CRYSTAL IS BELIEVED TO HAVE FORMED UNDER GLACIAL CONDITION WHICH LATER DISSOLVED LEAVING THE VOID TO BE FILLED WITH OPAL THE PSUDOMORPHS ARE FORMED IN THE PINEAPPLE BAND NEAR THE OPAL FEEDER WITH LESSER -SHAPED PIECES FURTHER AWAY ,THIS SPECIMEN NEED TO BE EXPOSED FOR COLOUR -

MAUVE BLUE  

FREE BOOK ON WHITECLIFFE HOME OF PINEAPPLE OPAL BY LEN    


$5,000.00 USD

$12,000.00 SAVE $7,000

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Pricing & Details

Auction ID 803210
Watchers 0 watching
Viewed 39 times
Starts 12th Aug 2019 6:36pm PDT

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