6.90 carat Mintabie crystal opal super hot pink fire
 
Interesting Allens Rise Opal, large flat/low dome face with a mix of blue and green fire patterns. Make a great pendant or one large ring.
 
Mine - Allens Rise
Body Tone - N7
Brightness - 3.5/5
Fire colour - Blue and green
Size - 22x19x5mm
Weight - 15.05 carats
 
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.