Opal
Freeform White Crystal Opal in Green, Yellow and Red
This freeform White Crystal Opal from Coober Pedy has green, yellow and red colouring.
CHF 704,50
| Gemstone | White Crystal Opal |
| Origin | Coober Pedy |
| Shape | Freeform |
| Colour | Green-Yellow-Red |
| Size | 23x20 mm |
| Weight | 13.03 ct |
| Article number | 211 |
In stock
About White Crystal Opal
White crystal opal has a white to pale body colour and is translucent to partly transparent, rather than opaque like common white opal. It may show flashes or broad patches of play-of-colour, produced when light is diffracted by regularly arranged microscopic silica spheres. Opal is a hydrated, non-crystalline form of silica, often described mineralogically as a mineraloid. Hardness is approximately 5–6.5 on the Mohs scale.…
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