Black opal from Lightning Ridge, Australia 

ID: 7141

Kind: Black opal 

Locality: Lightning Ridge, NSW, Australia 

Colorplay: Blue, Green, Purple

Length: 37 mm 
Width: 31 mm 
Height: 4 mm 

Carat: 46,60

Sunlight video (Instagram): https://www.instagram.com/p/BC9zyLyRR6S/