dark opal
€560.00
A deep blue green dark opal. A wonderful stone!
D020045
Data sheet
- Type
- Natural Opal Type 1
- Body Tone
- N5
- Variety
- Dark Opal
- Weight
- 1,23 ct
- Dimensions
- 6,6 • 10,4 • 2,7 mm
- Colors
- Blue - Green
- Shape
- Free Form
The colors of the dark opals play inside on a dark or grey body and their arrangement is similar to black opals.
Lightning Ridge in New South Wales and Coober Pedy in South Australia are the main mining areas where this particular type of opal is mined.
In the official nomenclature and classification they are referred to as 'Natural Opal Type 1' and N5 and N6 for the body tone.