15.8ct Bright flashes, Andamooka Matrix Opal, Australian Solid Opal, Real O

Item Information

Dimensions (mm) 38.4 x 14 x 4.5mm
Weight (carats) 15.8 carats

Weight: 15.8ct

Size:  38.4mm  X 14mm  X 4.5mm

Stone:  Andamooka Matrix Opal

Origin: Andamooka, Australia

Treatment: Carbonisation (using sugar bath and heat)

Photos taken under artificial light. Good light such as sunshine brings the colours in opal to life.

Andamooka Matrix Opal is a natural stone found in South Australia. This stone has been treated (with sugar and heat) to darken the host rock and make the opal more visible (this is commonly done for Andamooka matrix). This enhancement results in an extremely bright stone for a fraction of the cost of expensive black opals.

There are two varieties of Andamooka Matrix, this is the hard Limestone-Quartzite variety that takes a good polish and does not require epoxy treatment.

$150.00 USD

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Pricing & Details

Auction ID 735177
Watchers 10 watching
Viewed 737 times
Starts 24th Sep 2018 4:10am PDT

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