Boulder opal fire, of blues & greens, dance throughout this gem. The shape lends itself to a perfect ring.
$950.00
This boulder opal from Bill Kasso is absolutely stunning with it's variations of blues and...
$350.00
This boulder opal from Bill Kasso is amazing with it's subtle rolling flashes of blue...
$1,500.00
Green boulder opal is my personal favorite. Flashes of green in this black boulder opal...
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