Item Specifics

Item Type: NATURAL BLACK OPAL RUBBED BY MINER TO EXPOSE COLOUR

origin :LIGHTNING RIDGE, AUSTRALIA

Opal Size: 25 X 16X 4  MM

UNTREATED

Weight (Carats):CARAT WEIGHT  IN HEADING

Colour : GEM SUNSET FIRE HUES

Pattern : , UNIQUE PATTERN

Number of pieces: 1 PC

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