3.85 carat Lambina opal, free form triangle cut
 
Lambina opal cut free form triangle with green blue yellow fire. Semi black mixed base.
 
Mine - Lambina
Body Tone - mixed
Brightness - 4/5
Fire colour - Green, blue, yellow
Size - 18x8.5x4.1mm
Weight - 3.85 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.