Product Details
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This is a beautiful black opal with fine brightness 4-4.5 and breen blue play of colors. Color jumps out of the stone at you at arm’s length; magnificent stone appears equally bright under low light and daylight conditions as under spot light or sunlight. Evaluation Appraiser Included $11,850 CAD
Ref.: | 2 1507443-88IMP |
Gemstone | Opal |
Variety | Black crystal opal |
Carat Weight | 5.49 carat |
Shape / cutting style | Oval / Cabochon |
Base color | N3 (Dark Grey) Opaque |
Play-of-color | Breen Blue Med Color Bar |
Brightness | 4 -4.5 Extra Fine to Fine |
Size | 14.52 mm x 11.67 mm x 5.97 mm |
Origin | Lightning Ridge (Australia) |
Opal Facts: Brilliance Scale -This is the scale of brightness used to show the brightness of an opal
1 | Faint - Opal has Color but is Fairly Dull |
2 | Dull - Opal has Fair color but Nothing Special |
2.5 | Somewhat bright |
3 | Bright - Opal has Good Color at arms length> |
3.5 | Quite bright |
4 | Very bright - Opal is Bright and Color is Crisp and Sharp at arms length |
4.5 | Extremely bright |
5 | Brilliant - Opal is Brilliant and Color Jumps out of the stone at you at arms length |