Item Specifics

Item Type:    COLLECTORS RARE OPALIZED SHELL SPECIMEN,EVERY COLLECTOR SHOULD OWN ONE OF THESE AS THEY ARE GETTING HARDER TO FIND AT LIGHTNING RIDGE BUT ARE MORE COMMON IN COOPER PEDY

Opal Size:  26 X 13X 12  MM

UNTREATED

Weight (Carats):   20.35 CARATS

Colour :NATURAL SHELL BLACK WITH BLUE HUES

Pattern :

Number of pieces:1

Accuracy of picture :

+ More Bright Accurate Less Bright

Comments :

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