4.75 carat Mintabie crystal opal - OPL053
 
Lovely Mintabie crystal opal, free form cut with the face showing a great blocky fire pattern of Oranges, greens and yellows. Hints of blue and red as well.
 
Mine - Mintabie - Australia
Body Tone - crystal
Brightness - 5/5
Fire colour - Mixed
Size - 22.8x8.4x3.6mm
Weight - 4.75 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.