Crystal black opal

Crystal black opal

Crystal black opal with bright blue-violet flash.

Additional information

(+€5.00)
(+€18.00)
€180.00
Tax included
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Product Details
OM1H11
1 Item

Data sheet

TYPE AND TONE
Solid 1 - N3 - Natural opal
OPAL CATEGORY
Black opal
COUNTRY
Australia
BRIGHTNESS
B4
WEIGHT IN CARATS
3,90
DIMENSIONS
13,97 X 10,09 X 3,90 mm
COLORS
Blue
Description

Crystal Black or Semi-black Opal is characterised by a high transparency or translucency on a dark grey body tone displaying incredibly vivid and bright colours. According to the Opal Body Tone Guide crystal black opals are identified as N4. Australian mines are the main source of this extremely precious type of opal. 

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