Black opal 'Nobbies' in opal silt stone. This is an opal mineral specimen not for cutting, the black opal is Potch not precious opal. A great example of how black opal occurs. 110 grams. 8cm x 4.5cm x 6cm.
$ 30.00
$ 0.00
$ 30.00
$ 0.00
Black opal 'Nobbies' in opal silt stone. This is an opal mineral specimen not for cutting, the black opal is Potch not precious opal. A great example of how black opal occurs. 110 grams. 8cm x 4.5cm x 6cm.
$ 55.00
$ 53.01
$ 40.78
$ 40.00
$ 18.00
$ 16.00
$ 11.00
$ 86.63
$ 66.64
$ 90.73
$ 69.79
$ 26.00
$ 13.00
$ 66.24
$ 50.95
$ 79.99
$ 12.50
