AUSTRALIAN BOULDER OPAL 23.20 CT SPECIMEN

100% solid, natural, Australian opal. 

Beautiful pale blues with lime green patches of vibrant colour in this Queensland Boulder Opal from Winton. 

This stone is not intended for jewellery, it has hairline fractures making it not suitable for setting. However it is a beautiful stone and would be wonderful as a specimen or a collector's piece. 

Free-form semi polished cabochon shape weighing at 23.20 ct. 

This piece comes complete with a bow-tied carry bag and a Certificate of Authenticity.