3.65 carat Mexican yellow fire opal
 
Lovely 10mm square yellow Mexican fire opal 
All my Opals are natural and earth mined with no treatments.  I cut and polish every Opal i sell and have been selling internationally for 20 years to the trade and public. You can buy with confidence as i only sell what i have hand picked myself.
Mine - Mexican
Body Tone - Yellow crystal
Brightness - n/a
Fire colour - yellow
Size - 10x10x7mm
Weight - 3.65 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.