5.45 carat Mintabie free form crystal opal
 
Lovely medium domed free form crystal opal from the famous Mintabie field mines, body if full of green, blue, red and yellow fire. 
 
Mine - Mintaibe, Coober Pedy Australia
Body Tone - crystal
Brightness - 5/5
Fire colour - mixed
Size - 16x15x4.3mm
Weight - 5.45 carat
 
Price is per stone
 
About Opals
 
Treatment: Natural
Color: Black, White, Blue, Green, Red, Yellow, Pink, Grey, Purple, Orange, Brown
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 dimentions 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 safty on the water.
 
All orders are sent recorded delivery UK and International.