Item Specifics

Item Type: SOLID NATURAL AUSTRALIAN BLACK OPAL POTCH

THIS SPECIMEN HAS BEEN SLICED TO EXPOSE CENTRE

IT IS IDEAL EDUCATIONAL OR SPECIMEN PIECE

IT SHOWS HOW OPAL IS FORMED BUT DOES NOT HAVE ANY BLACK POTCH,IF BLACK IT WOULD BE EXPENSIVE

THIS SPECIEMEN WILL NOT CUT OPAL ,DISPLAY ITEM ONLY

Origin :LIGHTNING RIDGE REGION

Opal Size : 47 x 23 x 30 MM

Treated/Untreated : UNTREATED

Weight (Carats) :

Colour :AS PER IMAGE

Pattern : BROADFLASH PATTERN

Number of pieces : 1

Accuracy of picture :

Comments :

Brightness Rating, 1 Dullest to 5 Brightest :

Opal body tone as recommended by Australian Gemstone Association Ltd :

Base of opal (bottom) :

Cabochon :

Definitions

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