Mintabie mixed semi-black and crystal rough uncut opal

Mintabie mixed semi-black and crystal rough uncut opal

1.233 troy ounces or 38.34 grams or 191.11 cts

Mintabie Semi Black , multi colour super gem!

$4,500 per ounce or $144.69 per gram or $29 per ct

Average size stone 15 x 28mm