- MD-131905
- Opal
- Virgin Valley District, Humboldt Co., Nevada, USA
- Small Cabinet
- 6.6 x 4.4 x 2.7 cm
SOLD
- MD-119956
- Opal
- Virgin Valley District, Humboldt Co., Nevada, USA
- Small Cabinet
- 9.2 x 7.8 x 5.4 cm
SOLD
- MD-54553
- Opal
- Virgin Valley District, Humboldt Co., Nevada, USA
- Small Cabinet
- 5.3 x 4.8 x 3.3 cm
SOLD
- MD-118470
- Opal
- Virgin Valley District, Humboldt Co., Nevada, USA
- Small Cabinet
- 5.2 x 5.0 x 3.5 cm
SOLD
- MD-53818
- Opal
- Virgin Valley District, Humboldt Co., Nevada, USA
- Small Cabinet
- 5.7 x 3.6 x 2.5 cm
SOLD
- MD-41395
- Opal
- Virgin Valley District, Humboldt Co., Nevada, USA
- Miniature
- 4.3 x 3.5 x 3.1 cm
SOLD
- MD-213176
- Opal
- Three Forks Placer, Gallatin Co., Montana, USA
- Cabinet
- 9.4 x 8.5 x 4.5 cm
SOLD
- MD-38409
- Opal
- Chihuahua, Mexico
- Small Cabinet
- 6.3 x 5.9 x 3.3 cm
SOLD
- MD-168642
- Opal
- Jalisco, Mexico
- Miniature
- 3.9 x 2.9 x 2.4 cm
SOLD
- MD-146058
- Opal
- Rodriguez Dam, Tijuana, Mun. de Tijuana, Baja California Norte, Mexico
- Small Cabinet
- 7.2 x 4.8 x 1.9 cm
SOLD
- MD-280576
- Opal
- Oita prefecture, Kyushu Region, Japan
- Small Cabinet
- 6.9 x 6.0 x 2.8 cm
SOLD
- MD-61087
- Opal
- Huanuni mine, Huanuni, Dalence Province, Oruro Department, Bolivia
- Small Cabinet
- 8.0 x 3.8 x 3.3 cm
SOLD
- MD-263715
- Opal (Var: Precious Opal)
- Gracios O Dios Mine, Honduras
- Miniature
- 3.6 x 3.0 x 2.0 cm
SOLD
- MD-278330
- Opal
- Coober Pedy, Coober Pedy - Everard Range Regions, South Australia, Australia
- Miniature
- 3.8 x 3.6 x 1.8 cm
SOLD
- MD-135217
- Opal
- Coober Pedy, Coober Pedy - Everard Range Regions, South Australia, Australia
- Thumbnail
- 2.7 x 2.4 x 1.6 cm
SOLD
- MD-122973
- Opal
- Coober Pedy, Coober Pedy - Everard Range Regions, South Australia, Australia
- Thumbnail
- 2.8 x 2.0 x 1.0 cm
SOLD
- MD-57276
- Opal
- Coober Pedy, Coober Pedy - Everard Range Regions, South Australia, Australia
- Miniature
- 4.1 x 2.8 x 1.8 cm
SOLD
- MD-44351
- Opal
- Coober Pedy, Coober Pedy - Everard Range Regions, South Australia, Australia
- Miniature
- 4.5 x 3.8 x 2.0 cm
SOLD
- MD-216616
- Opal
- Winton, Queensland, Australia
- Cabinet
- 14.5 x 5.6 x 3.3 cm
SOLD
- MD-156162
- Opal
- Lightning Ridge, Finch Co., New South Wales, Australia
- Small Cabinet
- 6.7 x 5.9 x 3.9 cm
SOLD
- MD-39563
- Opal
- Lightning Ridge, Finch Co., New South Wales, Australia
- Small Cabinet
- 5.6 x 4.5 x 3.2 cm
SOLD
- MD-272669
- Beryl (Var: Aquamarine), Orthoclase, Opal (Var: Opal-An)
- Erongo Mountain, Usakos and Omaruru Districts, Erongo Region, Namibia
- Small Cabinet
- 8.0 x 6.0 x 4.0 cm
SOLD
- MD-244410
- Beryl (Var: Aquamarine), Schorl, Opal (Var: Opal-An)
- Erongo Mountain, Usakos and Omaruru Districts, Erongo Region, Namibia
- Small Cabinet
- 7.6 x 4.8 x 3.6 cm
SOLD
- K307
- Opalized Limb Cast
- Virgin Valley, Nevada, USA
- Small Cabinet
- 7.6 x 5.3 x 4.9 cm
SOLD
145-168 of 174 Items