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Crystal black opal

Crystal black opal with bright blue-azure flash

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€ 268,00

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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. 

Data sheet

Type Solid 1 - N4 - Natural opal
Variety Black opal
Provenance Australia
Brilliance B3
Carat 2,08
Dimensions 11,20 X 7,76mm - thickness 3,68mm
Color Blue

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