Opal
Blue-Green Freeform Black Opal from Lightning Ridge
This black opal from Lightning Ridge is presented in a freeform shape with a blue-green colour.
CHF 707,50
| Gemstone | Black Opal |
| Origin | Lightning Ridge |
| Shape | Freeform |
| Colour | Blue - Green |
| Size | 19.7x8.4 mm |
| Weight | 3.81 ct |
| Article number | 2426 |
In stock
About Black Opal
Black opal is opal with a dark grey, brown or black body tone; the body colour does not itself guarantee strong play-of-colour. Its flashes arise when regularly arranged microscopic silica spheres diffract light, producing shifting patches of blue, green, yellow, orange or red. The material is hydrated, amorphous silica rather than a crystal, with variable water content. It ranges from translucent to opaque, and an even dark…
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