Twins are fascinating, even when they are Yowah Nut Opals. One of my collectors purchased a pendant that I designed last year, "Over the Rainbow", which had a stunning Yowah Nut Opal that was full of color and looked just like a rainbow; she reserved the other half of the Yowah Nut for a future cuff bracelet. Here she is; This cuff has a hessonite garnet teardrop, tanzanite, designer pearl, & zircon in 22k & 18k gold.
There's drama in the skies, what the mines yield, and in the search for opal; it's palpable. In someway, I don't feel like I missed the gold rush here in the USA. I imagine it is a tad similar here, in the outback of Australia.