10 carat oval Doublet made form Lightning Ridge crystal opal set on top of Lightning Ridge black opal potch. Super combination of colours from red, blue and green.
We make are doublets in house with a good thick layer of crystal and natural opal backings.
- Mine - Lightning Ridge - Australia
- Body Tone - N1 black opal with crystal top
- Brightness - 4.5
- Fire colour - Mixed
- Size - 18x15x5mm
- Weight - 10 carat
About Opals
Luster: Pearly, Vitreous, Opalescence
Birthstone zodiac sign: Libra
Associated month: October
Crystal system: Amorphous solid
Chemical formula: SiO₂·nH₂O
Hardness (Mohs hardness scale): 5.5 – 6.5
Country of origin: Australia, Ethiopia, Mexico and Cornwall amazingly
Size variations: can vary 0.3mm each way on all dimension given
Properties:
In mystical circles, opal is considered a stone representing hope, innocence and purity. It has strong connotations of happiness, faithfulness, loyalty and confidence. Regarded as a powerful sea stone for safety on the water.
All orders are sent recorded delivery UK and International.