I love opals, and I spit in the face of superstition. 
Mine are vintage from the 1960s and were purchased by my father when he was working in Australia. They are doublets, but very nice ones, with a thick layer of opal and a dark quartz sandwiched behind it.

Mine are vintage from the 1960s and were purchased by my father when he was working in Australia. They are doublets, but very nice ones, with a thick layer of opal and a dark quartz sandwiched behind it.