POLISHEDBLACK OPAL ROUGH SPECIMEN 160 CTS JO 1389

Item Information

Dimensions (mm) 54 x 30 x 16mm
Weight (carats) 160 carats
Colors
Body Tone 1 N
ITEM SPECIFICS:
SOURCE : AUSTRALIA

Item Type: SOLID NATURAL BLACK OPAL ROUGH POLISHED

LIGHTNING RIDGE AUSTRALIA

OPAL Size: 54 X30X 16 MM

UNTREATED

Weight (Carats):  IN HEADER

Colour :GREEN ,THICK BAR 3 MM THICK ON EDGE

Pattern :

Number of pieces: 1AS PER IMAGES

Accuracy of picture :

+  More Bright Accurate Less Bright

Comments :

Brightness Rating, 1 Dullest to 5 Brightest : 4.2 BRIGHTNESS

++++++
1 2 3 3.5 4 4.5 5

Opal body tone as recommended by Australian Gemstone Association Ltd : N2

+

Base of opal (bottom) :

+
+
Full opal Clean back Some Sand Majority Sand

Cabochon :

+
Low Medium High Definitions

Convert Weight : 5 Carats = 1 Gram Covert Size : 6 mm = 1/4 inch (approx)

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$230.00 USD

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Audit Information

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Pricing & Details

Auction ID 234608
Watchers 14 watching
Viewed 2,967 times
Starts 28th Jun 2010 5:12pm PDT

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