Lightning Ridge Free Form Rub Opal 38.20crts - OPL270
 
Dark base Lightning Ridge rub, free form with a low dome with a ultra bright green, orange and yellow broad flash fire pattern.  The colour turns on and off as the opal is moved about.  Will make a truly bright and stunning pendant (lots more orange than photo)
 
Source - Lightning Ridge
Size - 31x27x7mm
Weight - 38.20 crts
Base Tone - N6
Fire Colour - Orange, Yellow and Green
Brightness - 5/5
 
About Opals
 
Lustre: 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.