Opal
Green-Blue Black Jelly Crystal Opal Freeform from Lightning Ridge
This Black Jelly Crystal Opal has a green-blue colour, a freeform shape and an origin in Lightning Ridge.
CHF 183,00
| Gemstone | Black Jelly Crystal Opal |
| Origin | Lightning Ridge |
| Shape | Freeform |
| Colour | Green-Blue |
| Size | 10x7 mm |
| Weight | 1.87 ct |
| Article number | 941 |
In stock
About Black Jelly Crystal Opal
Black Jelly Crystal Opal is a descriptive trade term rather than a separate mineral species. It refers to opal with a dark grey to black body tone and a translucent, sometimes glassy or jelly-like appearance. Many specimens show play-of-colour: shifting flashes of red, orange, green or blue caused by light interacting with regularly arranged silica spheres. Opal is hydrated, amorphous silica, meaning it has no crystal…
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