|Dimensions (mm)||not provided|
|Weight (carats)||15 carats|
LONDON BLUE TOPAZ
This is a specimen of chunky topaz rough ideal for faceting .This material was treated in the usa to strict standareds-This stone is a dark blue colour known as London blue.The treatment is permanent.
Mohs scale 8
Weight 14.50 CTS APP
Size 14 x 12 x 10 MM APP.
Treatments-When heated, yellow topaz often becomes reddish-pink. Only stones of a brown-yellow color yield the pink; the pale yellow ones usually turn white. The pink color is stable. Topaz can also be irradiated, turning the stone blue, ranging from a light pure color to very dark almost electric blue
AS WITH ALL OUR STOCK YOU MAY RETURN IT FOR A FULL REFUND IF NOT PLEASED .
MEMBER OF INTERNATIONAL COLOURED STONE ASSOCIATION
Exactly same as picture but lot of cracks and inclusions inside, only one or two of them will give a half-good cut stone. Just a loose gamble for me, it's the game.PYROPE GARNET ROUGH PARCEL FROM BURMA 79.20 CTS [F2389]
|Starts||15th Mar 2017 12:02am PDT|
|Ends||15th Mar 2017 5:36pm PDT|
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