Item Specifics

Item Type: SOLID NATURAL AUSTRALIAN BLACK OPAL CABOCHON LOOSE STONE WHICH SHOWS INTRESTING PATTERN AND COLOUR FORMATION. THIS BLACK OPAL IS PERFECT CUT WITH HIGH POLISH. PERFECT FOR ONE OF PIECE SILVER JEWELLERY MAKING AS NO TWO OPALS ARE THE SAME.

Origin : LIGHTNING RIDGE, BLACK OPAL IS FOUND MAILY AT LIGHTNING RIDGE IN NSW AND AS WELL AS SOME AREAS IN SOUTH AUSTRALIA. THIS MAGNIFICENT VARIETY IN GEM QUALITY IS ARGUABLY THE MOST VALUABLE. ABLAZE WITH COLOUR, ITS DARK BODY TONE APPEARANCE DISTINGUISHED IT FROM LIGHT OPAL FROM COOBER PEDY.

Opal Size : 9 X 7 X 3 MM
Treated/Untreated : UNTREATED
Weight (Carats) : 1.35 CTS

Colour : BEAUTIFUL BLUE GREEN FLASH

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)