Opal

8068 Opal, Pyrite, Unidentified Species, Wolfram Mine, Pittong, Victoria

Hyalite? Sulphates? ex Bernie and Margaret Day Collection

8069 Opal, Pyrite, Unidentified Species, Wolfram Mine, Pittong, Victoria

Hyalite? Sulphates? ex Bernie and Margaret Day Collection

4540 Opal (Hyalite), Mixite, Dome Rock Copper Mine, Olary Province, South Australia

Margaret Brown

4165 Opal, Calcite, Kara Mine, Hampshire, Tasmania

Single terminated black crystal.

3784 Opal, Posnjakite, Langite, South Wheal Basset, Redruth, Cornwall, England

3547 Namibite, Opal (Hyalite), Morass Creek, Benambra, Victoria

3171 Magnesio-Arfvedsonite, Aegerine, Microcline, Opal, Grossular, Vesuvianite, The Lea, near Kingston, Tasmania

2836 Opal (Shell), Coober Pedy, South Australia

2737 Opal, Coober Pedy, South Australia

5311 Plumbophyllite, Opal, Blue Bell Claims (C Adit), Baker, San Bernadino Co., California

5104 Opal, Yinnietharra Station, Gascoyne, Western Australia

Blue Hyalite

1724 Quartz, Opal(ised Wood), Springsure, Queensland

8068 Opal, Pyrite, Unidentified Species, Wolfram Mine, Pittong, Victoria

8069 Opal, Pyrite, Unidentified Species, Wolfram Mine, Pittong, Victoria

4540 Opal (Hyalite), Mixite, Dome Rock Copper Mine, Olary Province, South Australia

4165 Opal, Calcite, Kara Mine, Hampshire, Tasmania

3784 Opal, Posnjakite, Langite, South Wheal Basset, Redruth, Cornwall, England

3547 Namibite, Opal (Hyalite), Morass Creek, Benambra, Victoria

3171 Magnesio-Arfvedsonite, Aegerine, Microcline, Opal, Grossular, Vesuvianite, The Lea, near Kingston, Tasmania

2836 Opal (Shell), Coober Pedy, South Australia

2737 Opal, Coober Pedy, South Australia

5311 Plumbophyllite, Opal, Blue Bell Claims (C Adit), Baker, San Bernadino Co., California

5104 Opal, Yinnietharra Station, Gascoyne, Western Australia

1724 Quartz, Opal(ised Wood), Springsure, Queensland