33.85 carat Allens Rise trillion black opal - OPl050
 
Large trillion cut Allens Rise semi black opal, body is full of sweeping lines of red and green fire patterns.
 
Mine - Allens Rise - Australia
Body Tone - N5
Brightness - 3.5/5
Fire colour - Red and Green
Size - 30x28x6.7mm
Weight - 33.85 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.