15.50 carat Lightning Ridge doublet free form - top grade with thick layer of crystal on top n1 black opal
Beautiful rich blue and green opal Doublet from Lightning Ridge. Free form cut with a flat face.
- Mine - Lightning Ridge Doublet
- Body Tone - N1 base crystal top
- Brightness - 4/5
- Fire colour - Blue Green
- Size - 28x20x4mm
- Weight - 15.50 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.