Featured Opal? in Sterling and Gold? L S Peterson Co.

Cracks filled with potch too?

 

pitch...?

 

Info here..... https://www.opalauctions.com/learn/did-you-know/what-is-potch-and-what-colors-is-it

 

thanks.....but now I have to unpack this.....

you will see lots of people out specking on mullock heaps after the rain. As the rain clears the dirt off the potch and if there is any opal colour exposed it is easy to see. This is called specking similar to fossicking.........