Product Details
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This is a beautiful genuine opal with good brightness and 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. Certified Gemologist Evaluation Appraiser Included $3160.00 CAD
| Ref.: | 1507448-88IMP |
| Gemstone | Opal |
| Variety | Black semi-crystal opal |
| Carat Weight | 6.03 carat |
| Color Base | N3/2 (Dark Grey) Opaque |
| Shape / cutting style | Oval / Cabochon |
| Play-of-color | Plain Blue with significant dark webs |
Brightness | 3 (good) |
| Size | 15.37 x 12.13 x 5.01 mm |
| Origine | 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 |
