Description

 

Item Specifics

Item Type: GEM NATURAL SOLID BLACK OPAL. HALF OF BACK OF OPAL HAS MULTI COLOUR FLASH. RARE TO FIND BLACK  OPAL CUT FROM NOBBY LIKE THIS ONE
Origin :LIGHTNING RIDGE
Opal Size : 10 X 8 X 5 MM
Treated/Untreated : UNTREATED
Weight (Carats) : 2.30 CTS

Colour : STUNNING GREEN BLUE AND AQUA FIRE
Pattern : BROADFLASH

Number of pieces : 1
Accuracy of picture :

	+
More Bright	Accurate	Less Bright

Comments :OPAL IS SLIGHTLY LESS GREEN THAN PICTURES BUT MORE ORANGE FLSH 

Brightness Rating, 1 Dullest to 5 Brightest :

					+
1	2	3	3.5	4	4.5	5

Opal body tone as recommended by Australian Gemstone Association Ltd :

+

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)

READ THE OPAL PLUS STORY HERE