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.
$ 61.72
$ 47.48
$ 142.95
$ 69.95
$ 58.92
$ 45.32
$ 60.54
$ 46.57
$ 28.00
$ 80.28
$ 61.75
$ 44.95
$ 88.50
$ 68.08
$ 80.59
$ 61.99
$ 81.04
$ 62.34
