Item Specifics

Item Type: SPECIMEN FROM KOROIT VERY UNUSAL NATURAL FORMATION AND EXTREMELY HEAVY FOR ITS SIZE

Opal Size: 100 X 70 X 40 MM

UNTREATED

Weight (Carats): 15 OUNCES

Colour :NATURAL IRONSTONE

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