| Product ID |
A2318 |
| Type |
Matrix opal (Type 3) |
| Variety |
Andamooka treated matrix opal |
| Opal weight |
12.2 ct |
| Body tone |
N3 |
| Transparency |
Opaque |
| Play-of-colour |
Yellow-multicolour |
| Brightness |
2.5 - 3 |
| Pattern |
Mixed, broadflash |
| Shape |
Oval |
| Face |
Medium to high dome |
| Opal size |
18.9 x 16.5 x 6.7 mm |
| Origin |
Andamooka (Australia) |
| Note |
This opal has been treated by sugar/acid in order to produce a black body tone. The blackening treatment is in common use for this type of opal and usually applied to all Andamooka matrix material. |
SOLD / VERKAUFT
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 Opal A2318 - Image 1
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